/*
* Copyright 2007 The Apache Software Foundation.
*
* 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 com.googlecode.mashups4jsf.jsfplugin.mojo;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import com.googlecode.mashups4jsf.jsfplugin.digester.Attribute;
import com.googlecode.mashups4jsf.jsfplugin.digester.Component;
import com.googlecode.mashups4jsf.jsfplugin.util.FacesMojoUtils;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
/**
* Generates jsp tags of components
*
* @author Latest modification by $Author: cagatay_civici $
* @version $Revision: 748 $ $Date: 2007-07-04 14:55:12 +0300 (Wed, 04 Jul 2007) $
*
* @goal generate-tags
*/
public class TagMojo extends BaseFacesMojo {
public void execute() throws MojoExecutionException, MojoFailureException {
getLog().info("Generating Tags");
try{
createTags(getComponents());
getLog().info("Tags Generated");
}
catch (Exception e) {
getLog().error("Error occured in generating tags" + e.getMessage());
}
}
private void createTags(List components) throws Exception {
String outputPath = getCreateOutputDirectory();
for (Iterator iterator = components.iterator(); iterator.hasNext();) {
Component component = (Component) iterator.next();
String packagePath = createPackageDirectory(outputPath, component);
String tagClassName = getTagClassName(component.getTagClass());
FileWriter fileWriter = new FileWriter(packagePath + File.separator + tagClassName + ".java");
BufferedWriter writer = new BufferedWriter(fileWriter);
writeTagFile(writer, component, tagClassName, outputPath);
}
}
private void writeTagFile(BufferedWriter writer, Component component, String tagClassName, String outputPath) throws IOException {
writeLicense(writer);
writePackageImportAndClassDefinition(writer, component, tagClassName);
writeProperties(writer, component);
writeReleaseMethod(writer, component);
writerPropertiesMethod(writer, component);
writeComponentAndRenderers(writer, component);
writePropertySetters(writer, component.getAttributes());
writer.write("}");
writer.close();
}
private void writerPropertiesMethod(BufferedWriter writer, Component component) throws IOException {
writer.write("\tprotected void setProperties(UIComponent uicomponent){\n");
writer.write("\t\tsuper.setProperties(uicomponent);\n\n");
for (Iterator iterator = component.getAttributes().iterator(); iterator.hasNext();) {
Attribute attribute = (Attribute) iterator.next();
if(isIgnored(attribute, uicomponentAttributes))
continue;
writer.write(getPropertySetterMethod(attribute));
}
writer.write("\t}\n");
writer.write("\n");
}
private String getPropertySetterMethod(Attribute attribute) {
String method = "\t\tComponentUtils.set";
//Handle special attributes like converter, validator, value, valueChangeListener, action, actionListener
if(isIgnored(attribute, specialAttributes))
method += StringUtils.capitalize(attribute.getName()) + "Property(getFacesContext(), uicomponent, _" + attribute.getName() + ");\n";
else {
method += FacesMojoUtils.getWrapperType(attribute.getShortTypeName()) + "Property(getFacesContext(), uicomponent, \"" +
attribute.getName() +"\", _" + attribute.getName() +" );\n";
}
return method;
}
private void writeReleaseMethod(BufferedWriter writer, Component component) throws IOException {
writer.write("\tpublic void release(){\n");
writer.write("\t\tsuper.release();\n");
for (Iterator iterator = component.getAttributes().iterator(); iterator.hasNext();) {
Attribute attribute = (Attribute) iterator.next();
if(isIgnored(attribute, uicomponentAttributes))
continue;
writer.write("\t\t_" + attribute.getName() +" = null;\n");
}
writer.write("\t}\n\n");
}
private void writePropertySetters(BufferedWriter writer, Vector attributes) throws IOException {
for (Iterator iterator = attributes.iterator(); iterator.hasNext();) {
Attribute attribute = (Attribute) iterator.next();
if(isIgnored(attribute, uicomponentAttributes))
continue;
writer.write("\tpublic void set"+ attribute.getName().substring(0,1).toUpperCase() + attribute.getName().substring(1) + "(String value){\n");
writer.write("\t\t_"+attribute.getName() + " = value;\n");
writer.write("\t}\n\n");
}
}
private void writeProperties(BufferedWriter writer, Component component) throws IOException {
for (Iterator iterator = component.getAttributes().iterator(); iterator.hasNext();) {
Attribute attribute = (Attribute) iterator.next();
if(isIgnored(attribute, uicomponentAttributes))
continue;
writer.write("\tprivate String _" + attribute.getName() +" = null;\n");
}
writer.write("\n");
}
private void writeComponentAndRenderers(BufferedWriter writer, Component component) throws IOException {
writer.write("\tpublic String getComponentType() {\n");
writer.write("\t\treturn " + component.getComponentShortName() + ".COMPONENT_TYPE;\n");
writer.write("\t}");
writer.write("\n\n");
writer.write("\tpublic String getRendererType() {\n");
if(component.getRendererType() != null)
writer.write("\t\treturn \""+ component.getRendererType() +"\";\n");
else
writer.write("\t\treturn null;\n");
writer.write("\t}");
writer.write("\n\n");
}
private void writePackageImportAndClassDefinition(BufferedWriter writer, Component component, String tagClassName) throws IOException {
writer.write("package com.googlecode.mashups4jsf.component." + component.getParentPackagePath() + ";\n");
writer.write("\n");
writer.write("import javax.faces.webapp.UIComponentTag;\n");
writer.write("import javax.faces.component.UIComponent;\n");
writer.write("import com.googlecode.mashups4jsf.common.util.ComponentUtils;\n");
writer.write("\n");
writer.write("public class " + tagClassName + " extends UIComponentTag {\n");
writer.write("\n");
}
private String getTagClassName(String dotSeparatedPackageAndTagClass) {
int lastIndex = dotSeparatedPackageAndTagClass.lastIndexOf(".");
return dotSeparatedPackageAndTagClass.substring(lastIndex+1);
}
private boolean isIgnored(Attribute attribute, String[] attributes) {
return ArrayUtils.contains(attributes, attribute.getName());
}
}