| /* |
| * Copyright 2006 Google Inc. |
| * |
| * 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.google.gwt.dev.util.arg; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.util.tools.ArgHandler; |
| |
| /** |
| * Argument handler for processing the log level flag. |
| */ |
| public class ArgHandlerLogLevel extends ArgHandler { |
| |
| private static final String OPTIONS_STRING = computeOptionsString(); |
| |
| private static String computeOptionsString() { |
| StringBuffer sb = new StringBuffer(); |
| TreeLogger.Type[] values = TreeLogger.Type.values(); |
| for (int i = 0, c = values.length; i < c; ++i) { |
| if (i > 0) { |
| sb.append(", "); |
| } |
| if (i + 1 == c) { |
| sb.append("or "); |
| } |
| sb.append(values[i].name()); |
| } |
| return sb.toString(); |
| } |
| |
| private final OptionLogLevel options; |
| |
| public ArgHandlerLogLevel(OptionLogLevel options) { |
| this.options = options; |
| } |
| |
| @Override |
| public String[] getDefaultArgs() { |
| return new String[] {getTag(), getDefaultLogLevel().name()}; |
| } |
| |
| @Override |
| public String getPurpose() { |
| return "The level of logging detail: " + OPTIONS_STRING; |
| } |
| |
| @Override |
| public String getTag() { |
| return "-logLevel"; |
| } |
| |
| @Override |
| public String[] getTagArgs() { |
| return new String[] {"level"}; |
| } |
| |
| @Override |
| public int handle(String[] args, int startIndex) { |
| if (startIndex + 1 < args.length) { |
| try { |
| TreeLogger.Type level = TreeLogger.Type.valueOf(args[startIndex + 1]); |
| options.setLogLevel(level); |
| return 1; |
| } catch (IllegalArgumentException e) { |
| // Argument did not match any enum value; fall through to error case. |
| } |
| } |
| |
| System.err.println(getTag() + " should be followed by one of"); |
| System.err.println(" " + OPTIONS_STRING); |
| return -1; |
| } |
| |
| protected TreeLogger.Type getDefaultLogLevel() { |
| return TreeLogger.INFO; |
| } |
| } |