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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.codegen.writer;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.util.XSLTTemplateProcessor;
import org.apache.axis2.wsdl.codegen.CodeGenerationException;
import org.apache.axis2.wsdl.i18n.CodegenMessages;
import org.apache.axis2.wsdl.util.ConfigPropertyFileLoader;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;
import javax.xml.transform.URIResolver;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.Iterator;
import java.util.Map;
public abstract class FileWriter {
private static final Log log = LogFactory.getLog(FileWriter.class);
protected File outputFileLocation = null;
protected File outputFile = null;
protected FileOutputStream stream = null;
protected InputStream xsltStream = null;
protected String language = ConfigPropertyFileLoader.getDefaultLanguage(); //default would java
protected static final String TEMPLATE_SUFFIX = ".template";
protected static final String EXTENSION_SUFFIX = ".extension";
protected static final String SEPARATOR_STRING = ",";
protected boolean fileExists = false;//a flag saying the file is existing
protected boolean isOverride = false;
/**
* Sets the language.
*
* @param language
*/
public void setLanguage(String language) {
this.language = language;
}
/** Loads the template. */
public void loadTemplate() throws CodeGenerationException {
// the default behavior for the class writers is to use the property map from the languge specific types
// The properties are arranged in the following order
// .* .template=,
//first get the language specific property map
Class clazz = this.getClass();
Map languageSpecificPropertyMap =
(Map)ConfigPropertyFileLoader.getLanguageSpecificPropertiesMap().get(this.language);
if (languageSpecificPropertyMap == null) {
throw new CodeGenerationException(
CodegenMessages.getMessage("writer.noLangPropertiesExtension"));
}
String templateName = findTemplate(languageSpecificPropertyMap);
if (templateName != null) {
this.xsltStream = clazz.getResourceAsStream(templateName);
} else {
throw new CodeGenerationException(CodegenMessages.getMessage("writer.templateMissing"));
}
}
protected String findTemplate(Map languageSpecificPropertyMap) {
//search through the proprty names to find the template relevant to this class
String ownClazzName = this.getClass().getName();
String key;
String propertyValue;
String templateName = null;
Iterator keys = languageSpecificPropertyMap.keySet().iterator();
while (keys.hasNext()) {
//check for template entries
key = keys.next().toString();
if (key.endsWith(TEMPLATE_SUFFIX)) {
// check if the class name is there
propertyValue = languageSpecificPropertyMap.get(key).toString();
if (propertyValue.startsWith(ownClazzName)) {
//bingo! we found the right template
templateName =
propertyValue.substring(propertyValue.indexOf(SEPARATOR_STRING) + 1);
break;
}
}
}
return templateName;
}
/**
* Creates the output file.
*
* @param packageName
* @param fileName
* @throws Exception
*/
public void createOutFile(String packageName, String fileName) throws Exception {
outputFile = org.apache.axis2.util.FileWriter.createClassFile(outputFileLocation,
packageName,
fileName,
getFileExtensionForLanguage(language));
//set the existing flag
if (this.isOverride) {
this.stream = new FileOutputStream(outputFile);
} else {
fileExists = outputFile.exists();
if (!fileExists) {
this.stream = new FileOutputStream(outputFile);
} else {
log.info(Messages.getMessage("fileExistsNoOverwrite", outputFile.toString()));
}
}
}
/**
* Finds the file name extension.
*
* @param language
* @return Returns the file extension.
*/
protected String getFileExtensionForLanguage(String language) {
Map languageSpecificPropertyMap =
(Map)ConfigPropertyFileLoader.getLanguageSpecificPropertiesMap().get(this.language);
Iterator keys = languageSpecificPropertyMap.keySet().iterator();
String key;
String extension = null;
while (keys.hasNext()) {
//check for template entries
key = keys.next().toString();
if (key.endsWith(EXTENSION_SUFFIX)) {
extension = languageSpecificPropertyMap.get(key).toString();
//add a . to the front
extension = "." + extension;
}
}
return extension;
}
/**
* Writes the output file.
*
* @param doc
* @throws Exception
*/
public void parse(Document doc, URIResolver resolver) throws Exception {
if (!fileExists || this.isOverride()) {
XSLTTemplateProcessor.parse(this.stream,
doc,
this.xsltStream,
resolver);
this.stream.flush();
this.stream.close();
}
}
public boolean isOverride() {
return isOverride;
}
public void setOverride(boolean override) {
isOverride = override;
}
public File getOutputFile() {
return outputFile;
}
public void setOutputFile(File outputFile) {
this.outputFile = outputFile;
}
}
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