/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.cocoon.spring.configurator.impl;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.util.ResourceUtils;
import org.springframework.web.context.support.XmlWebApplicationContext;
/**
* Own implementation of a {@link XmlWebApplicationContext} which is configured with
* a base url specifying the root directory for this web application context.
*
* @since 1.0
* @version $Id: ChildXmlWebApplicationContext.java 587750 2007-10-24 02:35:22Z vgritsenko $
*/
public class ChildXmlWebApplicationContext extends XmlWebApplicationContext {
/** The base url (already postfixed with a '/'). */
protected String baseUrl;
/** The bean definition for this context. */
protected String beanDefinition;
public ChildXmlWebApplicationContext() {
// nothing to do here
}
public ChildXmlWebApplicationContext(String url,
String rootDefinition) {
this.setBaseUrl(url);
this.setBeanDefinition(rootDefinition);
}
public String getBaseUrl() {
return this.baseUrl;
}
public void setBaseUrl(String url) {
if ( url.endsWith("/") ) {
this.baseUrl = url;
} else {
this.baseUrl = url + '/';
}
}
public String getBeanDefinition() {
return beanDefinition;
}
public void setBeanDefinition(String beanDefinition) {
this.beanDefinition = beanDefinition;
}
/**
* @see org.springframework.web.context.support.XmlWebApplicationContext#loadBeanDefinitions(org.springframework.beans.factory.xml.XmlBeanDefinitionReader)
*/
protected void loadBeanDefinitions(XmlBeanDefinitionReader reader) throws BeansException, IOException {
if ( this.beanDefinition != null ) {
reader.loadBeanDefinitions(new ByteArrayResource(this.beanDefinition.getBytes("utf-8")));
}
super.loadBeanDefinitions(reader);
}
/**
* @see org.springframework.web.context.support.AbstractRefreshableWebApplicationContext#getResourceByPath(java.lang.String)
*/
protected Resource getResourceByPath(String path) {
if ( this.baseUrl != null ) {
// only if the path does not start with a "/" and is not a url
// we assume it is relative
if ( path != null && !path.startsWith("/") && !ResourceUtils.isUrl(path) ) {
final String absoluteUrl = this.baseUrl + path;
if (absoluteUrl.startsWith(CLASSPATH_URL_PREFIX)) {
return new ClassPathResource(absoluteUrl.substring(CLASSPATH_URL_PREFIX.length()), getClassLoader());
}
try {
// try URL
URL url = new URL(absoluteUrl);
return new UrlResource(url);
} catch (MalformedURLException ex) {
// no URL -> resolve resource path
return super.getResourceByPath(absoluteUrl);
}
}
}
return super.getResourceByPath(path);
}
/**
* A child application context has no default configuration.
* @see org.springframework.web.context.support.XmlWebApplicationContext#getDefaultConfigLocations()
*/
protected String[] getDefaultConfigLocations() {
return new String[0];
}
}