Working on SWS-346

core/src/main/java/org/springframework/ws/transport/http/XsdSchemaHandlerAdapter.java

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+/*
+ * Copyright 2008 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ws.transport.http;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.w3c.dom.Document;
+
+import org.springframework.util.StringUtils;
+import org.springframework.web.servlet.HandlerAdapter;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.xml.transform.TransformerObjectSupport;
+import org.springframework.xml.transform.TraxUtils;
+import org.springframework.xml.xsd.XsdSchema;
+
+/**
+ * @author Arjen Poutsma
+ * @since 1.5.3
+ */
+public class XsdSchemaHandlerAdapter extends TransformerObjectSupport implements HandlerAdapter {
+
+    private static final String CONTENT_TYPE = "text/xml";
+
+    public boolean supports(Object handler) {
+        return handler instanceof XsdSchema;
+    }
+
+    public long getLastModified(HttpServletRequest request, Object handler) {
+        Source schemaSource = ((XsdSchema) handler).getSource();
+        if (schemaSource instanceof DOMSource) {
+            Document document = TraxUtils.getDocument((DOMSource) schemaSource);
+            return document != null ? getLastModified(document.getDocumentURI()) : -1;
+        }
+        else {
+            return getLastModified(schemaSource.getSystemId());
+        }
+    }
+
+    private long getLastModified(String systemId) {
+        if (StringUtils.hasText(systemId)) {
+            try {
+                URI systemIdUri = new URI(systemId);
+                if ("file".equals(systemIdUri.getScheme())) {
+                    File documentFile = new File(systemIdUri);
+                    if (documentFile.exists()) {
+                        return documentFile.lastModified();
+                    }
+                }
+            }
+            catch (URISyntaxException e) {
+                // ignore
+            }
+        }
+        return -1;
+    }
+
+    public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler)
+            throws Exception {
+        if (HttpTransportConstants.METHOD_GET.equals(request.getMethod())) {
+            response.setContentType(CONTENT_TYPE);
+            Transformer transformer = createTransformer();
+            XsdSchema schema = (XsdSchema) handler;
+            Source schemaSource = schema.getSource();
+            StreamResult responseResult = new StreamResult(response.getOutputStream());
+            transformer.transform(schemaSource, responseResult);
+        }
+        else {
+            response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
+        }
+        return null;
+    }
+}

core/src/test/java/org/springframework/ws/transport/http/XsdSchemaHandlerAdapterTest.java

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+/*
+ * Copyright 2008 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ws.transport.http;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.custommonkey.xmlunit.XMLTestCase;
+
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.util.FileCopyUtils;
+import org.springframework.xml.xsd.SimpleXsdSchema;
+
+public class XsdSchemaHandlerAdapterTest extends XMLTestCase {
+
+    private XsdSchemaHandlerAdapter adapter;
+
+    private MockHttpServletRequest request;
+
+    private MockHttpServletResponse response;
+
+    protected void setUp() throws Exception {
+        adapter = new XsdSchemaHandlerAdapter();
+        request = new MockHttpServletRequest();
+        response = new MockHttpServletResponse();
+    }
+
+    public void testGetLastModified() throws Exception {
+        Resource single = new ClassPathResource("single.xsd", getClass());
+        SimpleXsdSchema schema = new SimpleXsdSchema(single);
+        schema.afterPropertiesSet();
+        long lastModified = single.getFile().lastModified();
+        assertEquals("Invalid last modified", lastModified, adapter.getLastModified(null, schema));
+    }
+
+    public void testHandleGet() throws Exception {
+        request.setMethod(HttpTransportConstants.METHOD_GET);
+        Resource single = new ClassPathResource("single.xsd", getClass());
+        SimpleXsdSchema schema = new SimpleXsdSchema(single);
+        schema.afterPropertiesSet();
+        adapter.handle(request, response, schema);
+        String expected = new String(FileCopyUtils.copyToByteArray(single.getFile()));
+        assertXMLEqual(expected, response.getContentAsString());
+    }
+
+    public void testHandleNonGet() throws Exception {
+        request.setMethod(HttpTransportConstants.METHOD_POST);
+        adapter.handle(request, response, null);
+        assertEquals("METHOD_NOT_ALLOWED expected", HttpServletResponse.SC_METHOD_NOT_ALLOWED, response.getStatus());
+    }
+}

core/src/test/resources/org/springframework/ws/transport/http/single.xsd

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+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            targetNamespace="http://www.springframework.org/spring-ws/single/schema"
+            xmlns="http://www.springframework.org/spring-ws/single/schema" elementFormDefault="qualified"
+            attributeFormDefault="unqualified">
+
+    <xsd:simpleType name="customType">
+        <xsd:restriction base="xsd:string"/>
+    </xsd:simpleType>
+
+    <xsd:element name="GetOrderRequest">
+        <xsd:complexType>
+            <xsd:sequence>
+                <xsd:element name="child" type="xsd:string"/>
+            </xsd:sequence>
+        </xsd:complexType>
+    </xsd:element>
+
+    <xsd:element name="GetOrderResponse">
+        <xsd:complexType>
+            <xsd:sequence>
+                <xsd:element name="child" type="xsd:string"/>
+            </xsd:sequence>
+        </xsd:complexType>
+    </xsd:element>
+
+    <xsd:element name="GetOrderFault">
+        <xsd:complexType>
+            <xsd:sequence>
+                <xsd:element name="child" type="xsd:string"/>
+            </xsd:sequence>
+        </xsd:complexType>
+    </xsd:element>
+
+</xsd:schema>