| /* |
| * 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.net.URL; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| public class XSLTIncludeResolver implements URIResolver, Constants { |
| |
| private CodeGenConfiguration configuration; |
| |
| public static final String EMPTY_TEMPLATE = "<xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\"/>"; |
| |
| 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(); |
| |
| 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(); |
| return getSourceFromTemplateName(templateName); |
| } else if (href.startsWith("/")) { |
| // This is a classpath resource |
| return getSourceFromTemplateName(href); |
| } else if (href.endsWith(".xsl")) { |
| // This is a relative import/include. Let the processor take care of resolving it. |
| return null; |
| } else { |
| // This is an unresolved property; 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 { |
| if (templateName != null) { |
| // Use URL instead of InputStream here, so that the processor may resolve |
| // imports/includes with relative hrefs. |
| URL templateUrl = getClass().getResource(templateName); |
| return templateUrl == null ? null : new StreamSource(templateUrl.toExternalForm()); |
| } 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())); |
| } |
| } |