| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.layout.util; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.epf.common.utils.FileUtil; |
| import org.eclipse.epf.common.utils.XMLUtil; |
| |
| |
| /** |
| * Helper class for processing the XML representation of a Method Element. |
| * |
| * @author Jinhua Xi |
| * @author Kelvin Low |
| */ |
| public class XmlHelper { |
| |
| /** |
| * XML declaration. |
| */ |
| public final static String XML_HEADER = XMLUtil.XML_DECLARATION |
| + FileUtil.LINE_SEP; |
| |
| public static String validName(String elementName) { |
| return XMLUtil.escape(elementName.replace(' ', '-')); |
| } |
| |
| public static String quote(String str) { |
| return "\"" + str + "\""; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public static String validate(String s) { |
| return s == null ? "" : s; //$NON-NLS-1$ |
| } |
| |
| /** |
| * create the start tag of an xml element |
| * @param elementName |
| * @param attributes |
| * @return String |
| */ |
| public static String beginElement(String elementName, Map attributes) { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append("<" + validName(elementName)); //$NON-NLS-1$ |
| if ((attributes != null) && (attributes.size() > 0)) { |
| Iterator it = attributes.entrySet().iterator(); |
| String key, value; |
| while (it.hasNext()) { |
| Map.Entry entry = (Map.Entry) it.next(); |
| key = (String) entry.getKey(); |
| value = quote(XMLUtil.escape( |
| validate((String) entry.getValue()), true)); |
| buffer.append(" " + validName(key) + "=" + value); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| buffer.append(">"); //$NON-NLS-1$ |
| return buffer.toString(); |
| } |
| |
| /** |
| * create an end tag of an xml element |
| * @param elementName |
| * @return String |
| */ |
| public static String endElement(String elementName) { |
| return "</" + validName(elementName) + ">"; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| /** |
| * create an xml element string |
| * @param elementName |
| * @param elementValue |
| * @param attributes |
| * @return String |
| */ |
| public static String getElement(String elementName, String elementValue, |
| Map attributes) { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append(beginElement(elementName, attributes)).append( |
| XMLUtil.escape(validate(elementValue), true)).append( |
| endElement(elementName)); |
| return buffer.toString(); |
| } |
| |
| } |