java/compiler/impl/src/com/intellij/compiler/OutputParser.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.compiler;
  17
  18 import com.intellij.openapi.compiler.CompilerMessageCategory;
  19 import com.intellij.openapi.util.text.StringUtil;
  20 import com.intellij.compiler.impl.javaCompiler.FileObject;
  21 import org.jetbrains.annotations.NonNls;
  22
  23 import java.util.ArrayList;
  24 import java.util.List;
  25
  26 public abstract class OutputParser {
  27   protected final List<ParserAction> myParserActions = new ArrayList<ParserAction>(10);
  28
  29   public interface Callback {
  30     @NonNls String getNextLine();
  31     @NonNls String getCurrentLine();
  32     void setProgressText(String text);
  33     void fileProcessed(@NonNls String path);
  34     void fileGenerated(@NonNls FileObject path);
  35     void message(CompilerMessageCategory category, String message, @NonNls String url, int lineNum, int columnNum);
  36   }
  37
  38   public boolean processMessageLine(Callback callback) {
  39     final String line = callback.getNextLine();
  40     if(line == null) {
  41       return false;
  42     }
  43     // common statistics messages (javac & jikes)
  44     for (ParserAction action : myParserActions) {
  45       if (action.execute(line, callback)) {
  46         return true;
  47       }
  48     }
  49     if (StringUtil.startsWithChar(line, '[') && StringUtil.endsWithChar(line, ']')) {
  50       // at this point any meaningful output surrounded with '[' and ']' characters is processed, so
  51       // suppress messages like "[total 4657ms]" or "[search path for source files: []]"
  52       return true;
  53     }
  54     return false;
  55   }
  56
  57   protected static void addMessage(Callback callback, CompilerMessageCategory type, String message) {
  58     if(message == null || message.trim().length() == 0) {
  59       return;
  60     }
  61     addMessage(callback, type, message, null, -1, -1);
  62   }
  63
  64   protected static void addMessage(Callback callback, CompilerMessageCategory type, String text, String url, int line, int column){
  65     callback.message(type, text, url, line, column);
  66   }
  67
  68   public boolean isTrimLines() {
  69     return true;
  70   }
  71 }