| /******************************************************************************* |
| * Copyright (c) 2011, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.webapp.parser; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLEncoder; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| |
| import org.eclipse.help.internal.webapp.utils.JSonHelper; |
| |
| public class ParseElement { |
| |
| private Properties props; |
| private ArrayList<ParseElement> children = new ArrayList<ParseElement>(); |
| private ParseElement parent; |
| |
| public ParseElement(Properties props, ParseElement parent) { |
| this.props = props; |
| this.parent = parent; |
| } |
| |
| public ParseElement(Properties props) { |
| this(props, null); |
| } |
| |
| public void updateParseElement(Properties props) { |
| this.props = props; |
| } |
| |
| public Properties getProps() { |
| return props; |
| } |
| |
| public ParseElement getParent() { |
| return parent; |
| } |
| |
| public String getProperty(String key) { |
| return (props != null) ? props.getProperty(key) : ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String toString() { |
| return (props != null) ? props.toString() : ""; //$NON-NLS-1$ |
| } |
| |
| public void addChild(ParseElement elem) { |
| children.add(elem); |
| } |
| |
| public int getChildrenCount() { |
| return children.size(); |
| } |
| |
| public String toJSON(int level) { |
| |
| StringBuffer buff = new StringBuffer(); |
| |
| String space = JSonHelper.SPACE; |
| for (int s = 0; s < level; s++) { |
| space += JSonHelper.SPACE; |
| } |
| |
| buff.append(JSonHelper.NEWLINE + space); |
| buff.append(JSonHelper.BEGIN_BRACE); |
| |
| if (props != null) { |
| Enumeration<?> enumObj = props.keys(); |
| while (enumObj.hasMoreElements()) { |
| |
| String key = (String) enumObj.nextElement(); |
| String val = props.getProperty(key); |
| |
| buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE); |
| buff.append(key); |
| buff.append(JSonHelper.COLON); |
| try { |
| val = URLEncoder.encode(val, "UTF-8"); //$NON-NLS-1$ |
| } catch (UnsupportedEncodingException e) { |
| e.printStackTrace(); |
| } |
| buff.append(JSonHelper.getQuotes(val)); |
| buff.append(JSonHelper.COMMA); |
| } |
| } |
| |
| if (children.size() <= 0) { |
| int len = buff.length(); |
| char ch = buff.charAt(len - 1); |
| if (ch == ',') { |
| buff.deleteCharAt(len - 1); |
| buff.append(JSonHelper.NEWLINE + space); |
| } |
| |
| } else { |
| |
| buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE); |
| buff.append(JSonHelper.CHILDREN); |
| buff.append(JSonHelper.COLON); |
| buff.append(JSonHelper.BEGIN_BRACKET); |
| |
| for (int i = 0; i < children.size(); i++) { |
| |
| if (i > 0) |
| buff.append(JSonHelper.COMMA); |
| |
| ParseElement element = children.get(i); |
| buff.append(element.toJSON(level + 2)); |
| } |
| |
| buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE); |
| |
| buff.append(JSonHelper.END_BRACKET); |
| buff.append(JSonHelper.NEWLINE + space); |
| } |
| |
| buff.append(JSonHelper.END_BRACE); |
| |
| return buff.toString(); |
| } |
| |
| public String toJSON() { |
| |
| StringBuffer buff = new StringBuffer(); |
| |
| if (props != null) { |
| Enumeration<?> enumObj = props.keys(); |
| while (enumObj.hasMoreElements()) { |
| |
| String key = (String) enumObj.nextElement(); |
| String val = props.getProperty(key); |
| |
| buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE); |
| buff.append(key); |
| buff.append(JSonHelper.COLON); |
| try { |
| val = URLEncoder.encode(val, "UTF-8"); //$NON-NLS-1$ |
| } catch (UnsupportedEncodingException e) { |
| e.printStackTrace(); |
| } |
| buff.append(JSonHelper.getQuotes(val)); |
| buff.append(JSonHelper.COMMA); |
| } |
| } |
| |
| if (children.size() <= 0) { |
| int len = buff.length(); |
| char ch = buff.charAt(len - 1); |
| if (ch == ',') { |
| buff.deleteCharAt(len - 1); |
| buff.append(JSonHelper.NEWLINE); |
| } |
| |
| } else { |
| |
| buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE); |
| buff.append(JSonHelper.ITEMS); |
| buff.append(JSonHelper.COLON); |
| buff.append(JSonHelper.BEGIN_BRACKET); |
| |
| for (int i = 0; i < children.size(); i++) { |
| |
| if (i > 0) |
| buff.append(JSonHelper.COMMA); |
| |
| ParseElement child = children.get(i); |
| buff.append(child.toJSON(1)); |
| } |
| |
| buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE); |
| |
| buff.append(JSonHelper.END_BRACKET); |
| buff.append(JSonHelper.NEWLINE); |
| } |
| |
| return buff.toString(); |
| } |
| } |