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Removed unused channel interceptor code.

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This commit is contained in:
Mark Fisher
2008-11-26 01:43:54 +00:00
parent 9fb2696225
commit a6b0bf65ac
2 changed files with 48 additions and 115 deletions
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109
org.springframework.integration/src/main/java/org/springframework/integration/config/xml/AbstractInterceptorParser.java
View File

@@ -1,109 +0,0 @@
/*
* Copyright 2002-2008 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.integration.config.xml;
import java.util.HashMap;
import java.util.Map;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.NamespaceHandler;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.Assert;
/**
* A helper class for parsing the sub-elements of an endpoint
* or channel-adapter's <em>interceptors</em> element.
*
* @author Mark Fisher
*/
public abstract class AbstractInterceptorParser {
private final Map<String, BeanDefinitionRegisteringParser> parsers = new HashMap<String, BeanDefinitionRegisteringParser>();
private volatile boolean initialized;
private final Object initializationMonitor = new Object();
protected abstract Map<String, BeanDefinitionRegisteringParser> getParserMap();
private void initializeParserMap() {
synchronized (this.initializationMonitor) {
if (!this.initialized) {
Map<String, BeanDefinitionRegisteringParser> parserMap = this.getParserMap();
if (parserMap != null) {
this.parsers.putAll(parserMap);
}
this.initialized = true;
}
}
}
@SuppressWarnings("unchecked")
public ManagedList parseInterceptors(Element element, ParserContext parserContext) {
if (!initialized) {
this.initializeParserMap();
}
ManagedList interceptors = new ManagedList();
NodeList childNodes = element.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node child = childNodes.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
Element childElement = (Element) child;
String localName = child.getLocalName();
if ("bean".equals(localName)) {
interceptors.add(new RuntimeBeanReference(
IntegrationNamespaceUtils.parseBeanDefinitionElement(childElement, parserContext)));
}
else if ("ref".equals(localName)) {
String ref = childElement.getAttribute("bean");
interceptors.add(new RuntimeBeanReference(ref));
}
else {
BeanDefinitionRegisteringParser parser = this.parsers.get(localName);
String interceptorBeanName = null;
if (parser == null) {
interceptorBeanName = handleNonstandardInterceptor(childElement, parserContext);
}
else {
interceptorBeanName = parser.parse(childElement, parserContext);
}
interceptors.add(new RuntimeBeanReference(interceptorBeanName));
}
}
}
return interceptors;
}
protected String handleNonstandardInterceptor(Element childElement, ParserContext parserContext) {
NamespaceHandler handler = parserContext.getReaderContext().getNamespaceHandlerResolver()
.resolve(childElement.getNamespaceURI());
AbstractBeanDefinition interceptorDefinition =
((AbstractBeanDefinition) handler.parse(childElement, parserContext));
String beanName = (String) interceptorDefinition.getMetadataAttribute("interceptorName").getValue();
Assert.hasText("No value for interceptorName provided by namespace handler for element '"
+ childElement.getNodeName() + "'");
return beanName;
}
}

54
org.springframework.integration/src/main/java/org/springframework/integration/config/xml/ChannelInterceptorParser.java
View File

@@ -19,16 +19,58 @@ package org.springframework.integration.config.xml;
import java.util.HashMap;
import java.util.Map;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.Assert;
/**
* A helper class for parsing the sub-elements of a channel's
* <em>interceptors</em> element.
*
* @author Mark Fisher
*/
public class ChannelInterceptorParser extends AbstractInterceptorParser {
public class ChannelInterceptorParser {
@Override
protected Map<String, BeanDefinitionRegisteringParser> getParserMap() {
Map<String, BeanDefinitionRegisteringParser> parsers = new HashMap<String, BeanDefinitionRegisteringParser>();
parsers.put("wire-tap", new WireTapParser());
return parsers;
private final Map<String, BeanDefinitionRegisteringParser> parsers;
public ChannelInterceptorParser() {
this.parsers = new HashMap<String, BeanDefinitionRegisteringParser>();
this.parsers.put("wire-tap", new WireTapParser());
}
@SuppressWarnings("unchecked")
public ManagedList parseInterceptors(Element element, ParserContext parserContext) {
ManagedList interceptors = new ManagedList();
NodeList childNodes = element.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node child = childNodes.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
Element childElement = (Element) child;
String localName = child.getLocalName();
if ("bean".equals(localName)) {
interceptors.add(new RuntimeBeanReference(
IntegrationNamespaceUtils.parseBeanDefinitionElement(childElement, parserContext)));
}
else if ("ref".equals(localName)) {
String ref = childElement.getAttribute("bean");
interceptors.add(new RuntimeBeanReference(ref));
}
else {
BeanDefinitionRegisteringParser parser = this.parsers.get(localName);
Assert.notNull(parser, "unsupported interceptor element '" + localName + "'");
String interceptorBeanName = parser.parse(childElement, parserContext);
interceptors.add(new RuntimeBeanReference(interceptorBeanName));
}
}
}
return interceptors;
}
}