/**
    * Copyright 2007 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.tonicsystems.jarjar;
  
  import com.tonicsystems.jarjar.util.*;
  import java.io.File;
  import java.io.IOException;
  import java.util.*;
  import org.apache.tools.ant.BuildException;
  
  public class JarJarTask extends AntJarProcessor
  {
      private List<PatternElement> patterns = new ArrayList<PatternElement>();
  
      public void addConfiguredRule(Rule rule) {
          if (rule.getPattern() == null || rule.getResult() == null)
              throw new IllegalArgumentException("The <rule> element requires both \"pattern\" and \"result\" attributes.");
          patterns.add(rule);
      }
  
      public void addConfiguredZap(Zap zap) {
          if (zap.getPattern() == null)
              throw new IllegalArgumentException("The <zap> element requires a \"pattern\" attribute.");
          patterns.add(zap);
      }
  
      public void addConfiguredKeep(Keep keep) {
          if (keep.getPattern() == null)
              throw new IllegalArgumentException("The <keep> element requires a \"pattern\" attribute.");
          patterns.add(keep);
      }
  
      public void execute() throws BuildException {
          MainProcessor proc = new MainProcessor(patterns, verbose, false);
          execute(proc);
          try {
              proc.strip(getDestFile());
          } catch (IOException e) {
              throw new BuildException(e);
          }
      }
  
      protected void cleanHelper() {
          super.cleanHelper();
          patterns.clear();
      }
  }