Java tutorial
/** * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.alloy.tools.xmlbuilder; import com.liferay.alloy.tools.model.Attribute; import com.liferay.alloy.tools.model.Component; import com.liferay.alloy.util.DefaultValueUtil; import com.liferay.alloy.util.JSONUtil; import com.liferay.alloy.util.TypeUtil; import com.liferay.portal.kernel.util.FileUtil; import com.liferay.portal.kernel.util.GetterUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.xml.SAXReaderUtil; import com.liferay.portal.util.FileImpl; import com.liferay.portal.xml.SAXReaderImpl; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Set; import org.dom4j.Document; import org.dom4j.DocumentFactory; import org.dom4j.Element; import org.dom4j.io.OutputFormat; import org.dom4j.io.XMLWriter; import org.json.JSONException; import org.json.JSONObject; /** * <a href="XMLBuilder.java.html"><b><i>View Source</i></b></a> * * @author Eduardo Lundgren */ public class XMLBuilder { public static void main(String[] args) throws Exception { String componentsJSON = System.getProperty("xmlbuilder.components.json"); String componentsXML = System.getProperty("tagbuilder.components.xml"); String componentExcluded = System.getProperty("xmlbuilder.components.excluded"); new XMLBuilder(componentsJSON, componentsXML, componentExcluded); } public XMLBuilder(String componentsJSON, String componentsXML, String componentExcluded) throws Exception { if (FileUtil.getFile() == null) { (new FileUtil()).setFile(new FileImpl()); } if (SAXReaderUtil.getSAXReader() == null) { (new SAXReaderUtil()).setSAXReader(new SAXReaderImpl()); } _componentJSON = componentsJSON; _componentXML = componentsXML; _componentExcluded = Arrays.asList(StringUtil.split(componentExcluded)); _fileXML = new File(_componentXML); _fileJSON = new File(_componentJSON); _json = new JSONObject(FileUtil.read(_fileJSON)); _classMapJSON = _json.getJSONObject("classmap"); _create(); } public ArrayList<Attribute> getComponentAttributes(String className) { return _getComponentAttributes(className, "configs"); } public ArrayList<Attribute> getComponentEvents(String className) { return _getComponentAttributes(className, "events"); } public ArrayList<String> getComponentHierarchy(String className) { return _getComponentHierarchy(className, new ArrayList<String>()); } public ArrayList<Component> getComponents() { Set<Component> components = new HashSet<Component>(); Iterator<String> it = _classMapJSON.keys(); while (it.hasNext()) { String className = it.next(); JSONObject componentJSON = JSONUtil.getJSONObject(_classMapJSON, className); String namespace = GetterUtil.getString(_DEFAULT_NAMESPACE); String name = JSONUtil.getString(componentJSON, "name"); String module = GetterUtil.getString(JSONUtil.getString(componentJSON, "module"), name); boolean bodyContent = GetterUtil.getBoolean(JSONUtil.getString(componentJSON, "bodyContent")); List<Attribute> attributes = new ArrayList<Attribute>(getComponentAttributes(className)); List<Attribute> events = new ArrayList<Attribute>(getComponentEvents(className)); Component component = new Component(); component.setAlloyComponent(true); component.setAttributes(attributes); component.setAuthors(null); component.setBodyContent(bodyContent); component.setEvents(events); component.setModule(module); component.setName(name); component.setPackage(namespace); if (!isExcludedComponent(component)) { components.add(component); } } ArrayList<Component> sortedComponents = new ArrayList<Component>(components); Collections.sort(sortedComponents); return sortedComponents; } public boolean isExcludedComponent(Component component) { String module = component.getModule(); return (!module.startsWith(AUI_PREFIX) || _componentExcluded.contains(component.getName())); } private void _create() throws Exception { _createXML(); } private void _createXML() { ArrayList<Component> components = getComponents(); Document doc = DocumentFactory.getInstance().createDocument(); Element root = doc.addElement("taglibs"); root.addAttribute("short-name", _DEFAULT_TAGLIB_SHORT_NAME); root.addAttribute("uri", _DEFAULT_TAGLIB_URI); root.addAttribute("tlib-version", _DEFAULT_TAGLIB_VERSION); for (Component component : components) { Element componentNode = root.addElement("component"); componentNode.addAttribute("name", component.getName()); componentNode.addAttribute("module", component.getModule()); componentNode.addAttribute("package", component.getPackage()); componentNode.addAttribute("bodyContent", String.valueOf(component.isBodyContent())); componentNode.addAttribute("alloyComponent", String.valueOf(component.isAlloyComponent())); Element attributesNode = componentNode.addElement("attributes"); Element eventsNode = componentNode.addElement("events"); for (Attribute attribute : component.getAttributes()) { Element attributeNode = attributesNode.addElement("attribute"); Element nameNode = attributeNode.addElement("name"); Element inputTypeNode = attributeNode.addElement("inputType"); Element outputTypeNode = attributeNode.addElement("outputType"); Element defaultValueNode = attributeNode.addElement("defaultValue"); Element descriptionNode = attributeNode.addElement("description"); nameNode.setText(attribute.getName()); inputTypeNode.setText(attribute.getInputType()); outputTypeNode.setText(attribute.getOutputType()); defaultValueNode.setText(attribute.getDefaultValue()); descriptionNode.addCDATA(_getAttributeDescription(attribute)); } for (Attribute event : component.getEvents()) { Element eventNode = eventsNode.addElement("event"); Element nameNode = eventNode.addElement("name"); Element typeNode = eventNode.addElement("type"); Element descriptionNode = eventNode.addElement("description"); nameNode.setText(event.getName()); typeNode.setText(event.getInputType()); descriptionNode.addCDATA(_getAttributeDescription(event)); } } try { FileOutputStream fos = new FileOutputStream(_componentXML); OutputFormat format = OutputFormat.createPrettyPrint(); XMLWriter writer = new XMLWriter(fos, format); writer.write(doc); writer.flush(); System.out.println("Writing " + _componentXML); } catch (IOException e) { e.printStackTrace(); } } private String _getAttributeDescription(Attribute attribute) { JSONObject descriptionJSON = new JSONObject(); try { String defaultValue = attribute.getDefaultValue(); if (Validator.isNotNull(defaultValue)) { descriptionJSON.put("defaultValue", defaultValue); } descriptionJSON.put("event", attribute.isEvent()); descriptionJSON.put("inputType", attribute.getInputType()); descriptionJSON.put("outputType", attribute.getOutputType()); descriptionJSON.put("required", attribute.isRequired()); } catch (JSONException jsone) { jsone.printStackTrace(); } StringBundler sb = new StringBundler(attribute.getDescription()); sb.append(_HTML_COMMENT_START); sb.append(descriptionJSON.toString()); sb.append(_HTML_COMMENT_END); return sb.toString(); } private ArrayList<Attribute> _getComponentAttributes(String className, String attributeType) { Set<Attribute> attributes = new HashSet<Attribute>(); ArrayList<String> hierarchy = getComponentHierarchy(className); try { for (String parentClass : hierarchy) { JSONObject componentJSON = JSONUtil.getJSONObject(_classMapJSON, parentClass); if (componentJSON == null) { continue; } JSONObject typeJSON = JSONUtil.getJSONObject(componentJSON, attributeType); if (typeJSON == null) { continue; } Iterator<String> it = typeJSON.keys(); while (it.hasNext()) { String name = it.next(); JSONObject attributeJSON = JSONUtil.getJSONObject(typeJSON, name); String inputType = GetterUtil.getString(JSONUtil.getString(attributeJSON, "type"), _DEFAULT_TYPE); String outputType = GetterUtil.getString(JSONUtil.getString(attributeJSON, "type"), _DEFAULT_TYPE); String outputJavaType = TypeUtil.getOutputJavaType(outputType, true); String defaultValue = DefaultValueUtil.getDefaultValue(outputJavaType, JSONUtil.getString(attributeJSON, "default")); String description = GetterUtil.getString(JSONUtil.getString(attributeJSON, "description")); boolean required = GetterUtil.getBoolean(JSONUtil.getString(attributeJSON, "required")); Attribute attribute = new Attribute(); attribute.setName(name); attribute.setInputType(inputType); attribute.setOutputType(outputType); attribute.setDefaultValue(defaultValue); attribute.setDescription(description); attribute.setRequired(required); attributes.add(attribute); } } } catch (Exception e) { e.printStackTrace(); } ArrayList<Attribute> sortedAttributes = new ArrayList<Attribute>(attributes); Collections.sort(sortedAttributes); return sortedAttributes; } private ArrayList<String> _getComponentHierarchy(String className, ArrayList<String> hierarchy) { try { JSONObject componentJSON = JSONUtil.getJSONObject(_classMapJSON, className); if (componentJSON != null) { hierarchy.add(className); String extendClass = JSONUtil.getString(componentJSON, "extends"); if (extendClass != null) { _getComponentHierarchy(extendClass, hierarchy); } hierarchy.addAll(JSONUtil.getList(componentJSON, "uses")); } } catch (Exception e) { e.printStackTrace(); } return hierarchy; } private static final String _DEFAULT_NAMESPACE = "alloy"; private static final String _DEFAULT_TAGLIB_SHORT_NAME = "alloy"; private static final String _DEFAULT_TAGLIB_URI = "http://alloy.liferay.com/tld/alloy"; private static final String _DEFAULT_TAGLIB_VERSION = "1.0"; private static final String _DEFAULT_TYPE = Object.class.getName(); private static final String _HTML_COMMENT_END = "-->"; private static final String _HTML_COMMENT_START = "<!--"; private static final String AUI_PREFIX = "aui-"; private JSONObject _classMapJSON; private List<String> _componentExcluded; private String _componentJSON; private String _componentXML; private File _fileJSON; private File _fileXML; private JSONObject _json; }