| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tools.internal; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| public abstract class ItemData { |
| |
| HashMap params; |
| |
| public ItemData(String str) { |
| parse(str); |
| } |
| |
| static String[] split(String str, String separator) { |
| StringTokenizer tk = new StringTokenizer(str, separator); |
| ArrayList result = new ArrayList(); |
| while (tk.hasMoreElements()) { |
| result.add(tk.nextElement()); |
| } |
| return (String[])result.toArray(new String[result.size()]); |
| } |
| |
| public String[] getFlags() { |
| Object flags = getParam("flags"); |
| if (flags == null) return new String[0]; |
| if (flags instanceof String[]) return (String[])flags; |
| String[] result = split((String)flags, " "); |
| params.put("flags", result); |
| return result; |
| } |
| |
| public boolean getFlag(String flag) { |
| String[] flags = getFlags(); |
| for (int i = 0; i < flags.length; i++) { |
| if (flags[i].equals(flag)) return true; |
| } |
| return false; |
| } |
| |
| public Object getParam(String key) { |
| Object value = params.get(key); |
| return value == null ? "" : value; |
| } |
| |
| public boolean isGenerate() { |
| return !getFlag("no_gen"); |
| } |
| |
| public void parse(String str) { |
| this.params = new HashMap(); |
| if (str.length() == 0) return; |
| String[] params = split(str, ","); |
| for (int i = 0; i < params.length; i++) { |
| String param = params[i]; |
| int equals = param.indexOf('='); |
| if (equals == -1) { |
| System.out.println(); |
| } |
| String key = param.substring(0, equals).trim(); |
| String value = param.substring(equals + 1).trim(); |
| setParam(key, value); |
| } |
| } |
| |
| public void setFlags(String[] flags) { |
| setParam("flags", flags); |
| } |
| |
| public void setFlag(String flag, boolean value) { |
| String[] flags = getFlags(); |
| HashSet set = new HashSet(Arrays.asList(flags)); |
| if (value) { |
| set.add(flag); |
| } else { |
| set.remove(flag); |
| } |
| setFlags((String[])set.toArray(new String[set.size()])); |
| } |
| |
| public void setGenerate(boolean value) { |
| setFlag("no_gen", !value); |
| } |
| |
| public void setParam(String key, Object value) { |
| params.put(key, value); |
| } |
| |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| Set set = params.keySet(); |
| String[] keys = (String[])set.toArray(new String[set.size()]); |
| Arrays.sort(keys); |
| for (int j = 0; j < keys.length; j++) { |
| String key = keys[j]; |
| Object value = params.get(key); |
| String valueStr = ""; |
| if (value instanceof String) { |
| valueStr = (String)value; |
| } else if (value instanceof String[]) { |
| String[] values = (String[])value; |
| StringBuffer valueBuffer = new StringBuffer(); |
| for (int i = 0; i < values.length; i++) { |
| if (i != 0) valueBuffer.append(" "); |
| valueBuffer.append(values[i]); |
| } |
| valueStr = valueBuffer.toString(); |
| } else { |
| valueStr = value.toString(); |
| } |
| if (valueStr.length() > 0) { |
| if (buffer.length() != 0) buffer.append(","); |
| buffer.append(key); |
| buffer.append("="); |
| buffer.append(valueStr); |
| } |
| } |
| return buffer.toString(); |
| } |
| |
| } |