Pretty print option for Jackson converter and view
Jackson serialization supports pretty printing. Usually it's enabled by invoking ObjectMapper.configure(..), which is not convenient for apps with XML configuration. The Jackson HttpMessageConverter and View now both have a prettyPrint property. A second more serious issue is documented here: https://github.com/FasterXML/jackson-databind/issues/12 The workaround discussed at the above link has been implemented. Issue: SPR-7201
This commit is contained in:
Rossen Stoyanchev
@@ -0,0 +1,218 @@
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/*
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* Copyright 2002-2012 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.http.converter.json;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.junit.Before;
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import org.junit.Test;
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import org.springframework.http.MediaType;
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import org.springframework.http.MockHttpInputMessage;
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import org.springframework.http.MockHttpOutputMessage;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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/**
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* Base class for Jackson and Jackson 2 converter tests.
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*
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* @author Arjen Poutsma
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* @author Rossen Stoyanchev
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*/
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public abstract class AbstractMappingJacksonHttpMessageConverterTests<T extends HttpMessageConverter<Object>> {
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private T converter;
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@Before
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public void setup() {
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this.converter = createConverter();
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}
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protected T getConverter() {
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return this.converter;
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}
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protected abstract T createConverter();
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@Test
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public void canRead() {
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assertTrue(converter.canRead(MyBean.class, new MediaType("application", "json")));
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assertTrue(converter.canRead(Map.class, new MediaType("application", "json")));
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}
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@Test
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public void canWrite() {
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assertTrue(converter.canWrite(MyBean.class, new MediaType("application", "json")));
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assertTrue(converter.canWrite(Map.class, new MediaType("application", "json")));
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}
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@Test
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public void readTyped() throws IOException {
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String body =
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"{\"bytes\":\"AQI=\",\"array\":[\"Foo\",\"Bar\"],\"number\":42,\"string\":\"Foo\",\"bool\":true,\"fraction\":42.0}";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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MyBean result = (MyBean) converter.read(MyBean.class, inputMessage);
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assertEquals("Foo", result.getString());
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assertEquals(42, result.getNumber());
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assertEquals(42F, result.getFraction(), 0F);
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assertArrayEquals(new String[]{"Foo", "Bar"}, result.getArray());
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assertTrue(result.isBool());
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assertArrayEquals(new byte[]{0x1, 0x2}, result.getBytes());
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}
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@Test
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@SuppressWarnings("unchecked")
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public void readUntyped() throws IOException {
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String body =
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"{\"bytes\":\"AQI=\",\"array\":[\"Foo\",\"Bar\"],\"number\":42,\"string\":\"Foo\",\"bool\":true,\"fraction\":42.0}";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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HashMap<String, Object> result = (HashMap<String, Object>) converter.read(HashMap.class, inputMessage);
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assertEquals("Foo", result.get("string"));
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assertEquals(42, result.get("number"));
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assertEquals(42D, (Double) result.get("fraction"), 0D);
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List<String> array = new ArrayList<String>();
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array.add("Foo");
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array.add("Bar");
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assertEquals(array, result.get("array"));
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assertEquals(Boolean.TRUE, result.get("bool"));
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assertEquals("AQI=", result.get("bytes"));
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}
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@Test
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public void write() throws IOException {
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MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
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MyBean body = new MyBean();
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body.setString("Foo");
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body.setNumber(42);
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body.setFraction(42F);
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body.setArray(new String[]{"Foo", "Bar"});
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body.setBool(true);
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body.setBytes(new byte[]{0x1, 0x2});
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converter.write(body, null, outputMessage);
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Charset utf8 = Charset.forName("UTF-8");
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String result = outputMessage.getBodyAsString(utf8);
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assertTrue(result.contains("\"string\":\"Foo\""));
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assertTrue(result.contains("\"number\":42"));
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assertTrue(result.contains("fraction\":42.0"));
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assertTrue(result.contains("\"array\":[\"Foo\",\"Bar\"]"));
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assertTrue(result.contains("\"bool\":true"));
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assertTrue(result.contains("\"bytes\":\"AQI=\""));
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assertEquals("Invalid content-type", new MediaType("application", "json", utf8),
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outputMessage.getHeaders().getContentType());
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}
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@Test
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public void writeUTF16() throws IOException {
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Charset utf16 = Charset.forName("UTF-16BE");
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MediaType contentType = new MediaType("application", "json", utf16);
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MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
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String body = "H\u00e9llo W\u00f6rld";
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converter.write(body, contentType, outputMessage);
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assertEquals("Invalid result", "\"" + body + "\"", outputMessage.getBodyAsString(utf16));
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assertEquals("Invalid content-type", contentType, outputMessage.getHeaders().getContentType());
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}
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@Test(expected = HttpMessageNotReadableException.class)
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public void readInvalidJson() throws IOException {
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String body = "FooBar";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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converter.read(MyBean.class, inputMessage);
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}
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@Test(expected = HttpMessageNotReadableException.class)
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public void readValidJsonWithUnknownProperty() throws IOException {
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String body = "{\"string\":\"string\",\"unknownProperty\":\"value\"}";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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converter.read(MyBean.class, inputMessage);
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}
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public static class MyBean {
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private String string;
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private int number;
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private float fraction;
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private String[] array;
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private boolean bool;
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private byte[] bytes;
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public byte[] getBytes() {
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return bytes;
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}
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public void setBytes(byte[] bytes) {
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this.bytes = bytes;
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}
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public boolean isBool() {
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return bool;
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}
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public void setBool(boolean bool) {
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this.bool = bool;
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}
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public String getString() {
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return string;
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}
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public void setString(String string) {
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this.string = string;
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}
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public int getNumber() {
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return number;
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}
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public void setNumber(int number) {
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this.number = number;
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}
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public float getFraction() {
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return fraction;
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}
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public void setFraction(float fraction) {
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this.fraction = fraction;
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}
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public String[] getArray() {
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return array;
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}
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public void setArray(String[] array) {
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this.array = array;
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}
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}
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}
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@@ -0,0 +1,106 @@
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/*
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* Copyright 2002-2012 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.http.converter.json;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.List;
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import org.junit.Test;
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import org.springframework.http.MediaType;
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import org.springframework.http.MockHttpInputMessage;
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import org.springframework.http.MockHttpOutputMessage;
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import com.fasterxml.jackson.databind.JavaType;
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import com.fasterxml.jackson.databind.ObjectMapper;
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/**
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* Jackson 2.x converter tests.
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*
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* @author Rossen Stoyanchev
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*/
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public class MappingJackson2HttpMessageConverterTests extends AbstractMappingJacksonHttpMessageConverterTests<MappingJackson2HttpMessageConverter> {
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@Override
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protected MappingJackson2HttpMessageConverter createConverter() {
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return new MappingJackson2HttpMessageConverter();
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}
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@Test
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@SuppressWarnings("unchecked")
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public void readGenerics() throws IOException {
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MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter() {
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@Override
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protected JavaType getJavaType(Class<?> clazz) {
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if (List.class.isAssignableFrom(clazz)) {
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return new ObjectMapper().getTypeFactory().constructCollectionType(ArrayList.class, MyBean.class);
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}
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else {
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return super.getJavaType(clazz);
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}
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}
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};
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String body =
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"[{\"bytes\":\"AQI=\",\"array\":[\"Foo\",\"Bar\"],\"number\":42,\"string\":\"Foo\",\"bool\":true,\"fraction\":42.0}]";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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List<MyBean> results = (List<MyBean>) converter.read(List.class, inputMessage);
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assertEquals(1, results.size());
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MyBean result = results.get(0);
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assertEquals("Foo", result.getString());
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assertEquals(42, result.getNumber());
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assertEquals(42F, result.getFraction(), 0F);
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assertArrayEquals(new String[]{"Foo", "Bar"}, result.getArray());
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assertTrue(result.isBool());
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assertArrayEquals(new byte[]{0x1, 0x2}, result.getBytes());
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}
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@Test
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public void prettyPrint() throws Exception {
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MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
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PrettyPrintBean bean = new PrettyPrintBean();
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bean.setName("Jason");
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getConverter().setPrettyPrint(true);
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getConverter().writeInternal(bean, outputMessage);
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String result = outputMessage.getBodyAsString(Charset.forName("UTF-8"));
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assertEquals("{\n \"name\" : \"Jason\"\n}", result);
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}
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public static class PrettyPrintBean {
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private String name;
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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}
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@@ -23,80 +23,31 @@ import static org.junit.Assert.assertTrue;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.codehaus.jackson.map.type.TypeFactory;
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import org.codehaus.jackson.type.JavaType;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.Parameterized;
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import org.junit.runners.Parameterized.Parameters;
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import org.springframework.http.MediaType;
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import org.springframework.http.MockHttpInputMessage;
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import org.springframework.http.MockHttpOutputMessage;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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/**
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* Jackson conversion tests parameterized with Jackson and Jackson 2 converters.
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* Jackson 1.x converter tests.
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*
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* @author Arjen Poutsma
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* @author Rossen Stoyanchev
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*/
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@RunWith(Parameterized.class)
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public class MappingJacksonHttpMessageConverterTests {
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public class MappingJacksonHttpMessageConverterTests extends AbstractMappingJacksonHttpMessageConverterTests<MappingJacksonHttpMessageConverter> {
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private HttpMessageConverter<Object> converter;
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@Parameters
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public static Collection<Object[]> handlerTypes() {
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Object[][] array = new Object[2][1];
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array[0] = new Object[] { new MappingJackson2HttpMessageConverter()};
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array[1] = new Object[] { new MappingJacksonHttpMessageConverter()};
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return Arrays.asList(array);
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}
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public MappingJacksonHttpMessageConverterTests(HttpMessageConverter<Object> converter) {
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this.converter = converter;
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}
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@Test
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public void canRead() {
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assertTrue(converter.canRead(MyBean.class, new MediaType("application", "json")));
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assertTrue(converter.canRead(Map.class, new MediaType("application", "json")));
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}
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@Test
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public void canWrite() {
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assertTrue(converter.canWrite(MyBean.class, new MediaType("application", "json")));
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assertTrue(converter.canWrite(Map.class, new MediaType("application", "json")));
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}
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@Test
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public void readTyped() throws IOException {
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String body =
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"{\"bytes\":\"AQI=\",\"array\":[\"Foo\",\"Bar\"],\"number\":42,\"string\":\"Foo\",\"bool\":true,\"fraction\":42.0}";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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MyBean result = (MyBean) converter.read(MyBean.class, inputMessage);
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assertEquals("Foo", result.getString());
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assertEquals(42, result.getNumber());
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assertEquals(42F, result.getFraction(), 0F);
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assertArrayEquals(new String[]{"Foo", "Bar"}, result.getArray());
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assertTrue(result.isBool());
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assertArrayEquals(new byte[]{0x1, 0x2}, result.getBytes());
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@Override
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protected MappingJacksonHttpMessageConverter createConverter() {
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return new MappingJacksonHttpMessageConverter();
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}
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@Test
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@SuppressWarnings("unchecked")
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public void readGenerics() throws IOException {
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converter = new MappingJacksonHttpMessageConverter() {
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MappingJacksonHttpMessageConverter converter = new MappingJacksonHttpMessageConverter() {
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@Override
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protected JavaType getJavaType(Class<?> clazz) {
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if (List.class.isAssignableFrom(clazz)) {
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@@ -124,134 +75,29 @@ public class MappingJacksonHttpMessageConverterTests {
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}
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@Test
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@SuppressWarnings("unchecked")
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public void readUntyped() throws IOException {
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String body =
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"{\"bytes\":\"AQI=\",\"array\":[\"Foo\",\"Bar\"],\"number\":42,\"string\":\"Foo\",\"bool\":true,\"fraction\":42.0}";
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MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
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inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
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HashMap<String, Object> result = (HashMap<String, Object>) converter.read(HashMap.class, inputMessage);
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assertEquals("Foo", result.get("string"));
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assertEquals(42, result.get("number"));
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assertEquals(42D, (Double) result.get("fraction"), 0D);
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List<String> array = new ArrayList<String>();
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array.add("Foo");
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array.add("Bar");
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assertEquals(array, result.get("array"));
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assertEquals(Boolean.TRUE, result.get("bool"));
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assertEquals("AQI=", result.get("bytes"));
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}
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@Test
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public void write() throws IOException {
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public void prettyPrint() throws Exception {
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MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
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MyBean body = new MyBean();
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body.setString("Foo");
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body.setNumber(42);
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body.setFraction(42F);
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body.setArray(new String[]{"Foo", "Bar"});
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body.setBool(true);
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body.setBytes(new byte[]{0x1, 0x2});
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converter.write(body, null, outputMessage);
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Charset utf8 = Charset.forName("UTF-8");
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String result = outputMessage.getBodyAsString(utf8);
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assertTrue(result.contains("\"string\":\"Foo\""));
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assertTrue(result.contains("\"number\":42"));
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assertTrue(result.contains("fraction\":42.0"));
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assertTrue(result.contains("\"array\":[\"Foo\",\"Bar\"]"));
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assertTrue(result.contains("\"bool\":true"));
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assertTrue(result.contains("\"bytes\":\"AQI=\""));
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assertEquals("Invalid content-type", new MediaType("application", "json", utf8),
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outputMessage.getHeaders().getContentType());
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PrettyPrintBean bean = new PrettyPrintBean();
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bean.setName("Jason");
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getConverter().setPrettyPrint(true);
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getConverter().writeInternal(bean, outputMessage);
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String result = outputMessage.getBodyAsString(Charset.forName("UTF-8"));
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assertEquals("{\n \"name\" : \"Jason\"\n}", result);
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}
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@Test
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public void writeUTF16() throws IOException {
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Charset utf16 = Charset.forName("UTF-16BE");
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MediaType contentType = new MediaType("application", "json", utf16);
|
||||
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
|
||||
String body = "H\u00e9llo W\u00f6rld";
|
||||
converter.write(body, contentType, outputMessage);
|
||||
assertEquals("Invalid result", "\"" + body + "\"", outputMessage.getBodyAsString(utf16));
|
||||
assertEquals("Invalid content-type", contentType, outputMessage.getHeaders().getContentType());
|
||||
}
|
||||
|
||||
@Test(expected = HttpMessageNotReadableException.class)
|
||||
public void readInvalidJson() throws IOException {
|
||||
String body = "FooBar";
|
||||
MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
|
||||
inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
|
||||
converter.read(MyBean.class, inputMessage);
|
||||
}
|
||||
public static class PrettyPrintBean {
|
||||
|
||||
@Test(expected = HttpMessageNotReadableException.class)
|
||||
public void readValidJsonWithUnknownProperty() throws IOException {
|
||||
String body = "{\"string\":\"string\",\"unknownProperty\":\"value\"}";
|
||||
MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
|
||||
inputMessage.getHeaders().setContentType(new MediaType("application", "json"));
|
||||
converter.read(MyBean.class, inputMessage);
|
||||
}
|
||||
private String name;
|
||||
|
||||
public static class MyBean {
|
||||
|
||||
private String string;
|
||||
|
||||
private int number;
|
||||
|
||||
private float fraction;
|
||||
|
||||
private String[] array;
|
||||
|
||||
private boolean bool;
|
||||
|
||||
private byte[] bytes;
|
||||
|
||||
public byte[] getBytes() {
|
||||
return bytes;
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setBytes(byte[] bytes) {
|
||||
this.bytes = bytes;
|
||||
}
|
||||
|
||||
public boolean isBool() {
|
||||
return bool;
|
||||
}
|
||||
|
||||
public void setBool(boolean bool) {
|
||||
this.bool = bool;
|
||||
}
|
||||
|
||||
public String getString() {
|
||||
return string;
|
||||
}
|
||||
|
||||
public void setString(String string) {
|
||||
this.string = string;
|
||||
}
|
||||
|
||||
public int getNumber() {
|
||||
return number;
|
||||
}
|
||||
|
||||
public void setNumber(int number) {
|
||||
this.number = number;
|
||||
}
|
||||
|
||||
public float getFraction() {
|
||||
return fraction;
|
||||
}
|
||||
|
||||
public void setFraction(float fraction) {
|
||||
this.fraction = fraction;
|
||||
}
|
||||
|
||||
public String[] getArray() {
|
||||
return array;
|
||||
}
|
||||
|
||||
public void setArray(String[] array) {
|
||||
this.array = array;
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user