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Axis2 Code Generation module
/*
* 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.axis2.wsdl.util;
import org.apache.axis2.wsdl.codegen.CodeGenConfiguration;
import org.apache.axis2.wsdl.i18n.CodegenMessages;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import javax.xml.transform.stream.StreamSource;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Iterator;
import java.util.Map;
public class XSLTIncludeResolver implements URIResolver, Constants {
private CodeGenConfiguration configuration;
public static final String EMPTY_TEMPLATE = "";
public XSLTIncludeResolver() {
}
/** @param config */
public XSLTIncludeResolver(CodeGenConfiguration config) {
this.configuration = config;
}
/**
* Resolves a given href and base combination
*
* @param href
* @param base
* @throws TransformerException
*/
public Source resolve(String href, String base) throws TransformerException {
String templateName;
Map externalPropertyMap = configuration.getProperties();
InputStream supporterTemplateStream;
if (XSLT_INCLUDE_DATABIND_SUPPORTER_HREF_KEY.equals(href)) {
//use the language name from the configuration to search the key
//our search only consists of looking for the data binding name
//in the key
Map dbSupporterMap = ConfigPropertyFileLoader.getDbSupporterTemplatesMap();
String key;
for (Iterator keys = dbSupporterMap.keySet().iterator(); keys.hasNext();) {
key = (String)keys.next();
if (key.indexOf(configuration.getDatabindingType()) != -1) {
return getSourceFromTemplateName((String)dbSupporterMap.get(key));
}
}
}
if (XSLT_INCLUDE_TEST_OBJECT_HREF_KEY.equals((href))) {
return getSourceFromTemplateName(ConfigPropertyFileLoader.getTestObjectTemplateName());
}
if (externalPropertyMap.get(href) != null) {
templateName = externalPropertyMap.get(href).toString();
if (templateName != null) {
supporterTemplateStream = getClass().getResourceAsStream(templateName);
return new StreamSource(supporterTemplateStream);
}
} else if ((href != null) && (!href.equals("externalTemplate"))){
Source source = getSourceFromTemplateName(href);
if ((source != null) && ((StreamSource)source).getInputStream() != null){
return source;
}
return getEmptySource();
}
//if nothing could be found return an empty source
return getEmptySource();
}
/**
* load the template from a given resource path
*
* @param templateName
* @return the loaded transform source
* @throws TransformerException
*/
private Source getSourceFromTemplateName(String templateName) throws TransformerException {
InputStream supporterTemplateStream;
if (templateName != null) {
supporterTemplateStream = getClass().getResourceAsStream(templateName);
return new StreamSource(supporterTemplateStream);
} else {
throw new TransformerException(
CodegenMessages.getMessage("resolver.templateNotFound", templateName));
}
}
/**
* returns an empty source
*
* @return stream source
*/
private Source getEmptySource() {
return new StreamSource(new ByteArrayInputStream(EMPTY_TEMPLATE.getBytes()));
}
}
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