java/idea-ui/src/com/intellij/util/descriptors/impl/CustomConfigFileSetImpl.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
  17 package com.intellij.util.descriptors.impl;
  18
  19 import com.intellij.util.descriptors.CustomConfigFileSet;
  20 import com.intellij.util.descriptors.CustomConfigFile;
  21 import com.intellij.openapi.util.InvalidDataException;
  22 import com.intellij.openapi.util.WriteExternalException;
  23 import org.jdom.Element;
  24 import org.jetbrains.annotations.NonNls;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 import java.util.List;
  28 import java.util.ArrayList;
  29 import java.util.Collection;
  30
  31 /**
  32  * @author nik
  33  */
  34 public class CustomConfigFileSetImpl implements CustomConfigFileSet {
  35   @NonNls private static final String ELEMENT_NAME = "deploymentDescriptor";
  36   @NonNls private static final String URL_ATTRIBUTE = "url";
  37   @NonNls private static final String OPTION_ELEMENT_NAME = "option";
  38   @NonNls private static final String DEFAULT_DIR_OPTION = "DEFAULT_DIR";
  39   @NonNls private static final String NAME_ATTRIBUTE = "name";
  40   @NonNls private static final String VALUE_ATTRIBUTE = "value";
  41
  42   private final List<CustomConfigFile> myDescriptors = new ArrayList<CustomConfigFile>();
  43
  44   public void add(CustomConfigFile descriptor) {
  45     myDescriptors.add(descriptor);
  46   }
  47
  48   public void remove(CustomConfigFile descriptor) {
  49     myDescriptors.remove(descriptor);
  50   }
  51
  52   public CustomConfigFile[] getConfigFiles() {
  53     return myDescriptors.toArray(new CustomConfigFile[myDescriptors.size()]);
  54   }
  55
  56   public void setConfigFiles(final Collection<CustomConfigFile> descriptors) {
  57     myDescriptors.clear();
  58     myDescriptors.addAll(descriptors);
  59   }
  60
  61   public void readExternal(Element element) throws InvalidDataException {
  62     myDescriptors.clear();
  63     List<Element> descriptors = element.getChildren(ELEMENT_NAME);
  64     for (Element descriptor : descriptors) {
  65       String url = descriptor.getAttributeValue(URL_ATTRIBUTE);
  66       String directory = getDefaultDirOption(descriptor);
  67       if (directory != null) {
  68         myDescriptors.add(new CustomConfigFile(url, directory));
  69       }
  70     }
  71   }
  72
  73   @Nullable
  74   private static String getDefaultDirOption(final Element descriptor) {
  75     List<Element> options = descriptor.getChildren(OPTION_ELEMENT_NAME);
  76     for (Element option : options) {
  77       if (DEFAULT_DIR_OPTION.equals(option.getAttributeValue(NAME_ATTRIBUTE))) {
  78         return option.getAttributeValue(VALUE_ATTRIBUTE);
  79       }
  80     }
  81     return null;
  82   }
  83
  84   public void writeExternal(Element element) throws WriteExternalException {
  85     for (CustomConfigFile descriptor : myDescriptors) {
  86       final Element child = new Element(ELEMENT_NAME);
  87       child.setAttribute(URL_ATTRIBUTE, descriptor.getUrl());
  88       final Element option = new Element(OPTION_ELEMENT_NAME);
  89       option.setAttribute(NAME_ATTRIBUTE, DEFAULT_DIR_OPTION);
  90       option.setAttribute(VALUE_ATTRIBUTE, descriptor.getOutputDirectoryPath());
  91       child.addContent(option);
  92       element.addContent(child);
  93     }
  94   }
  95 }