| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.openapi.compiler.util; |
| |
| import com.intellij.compiler.CompilerIOUtil; |
| import com.intellij.openapi.compiler.ValidityState; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.util.io.IOUtil; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class PsiElementsValidityState implements ValidityState { |
| private final Map<String, Long> myDependencies = new HashMap<String, Long>(); |
| |
| public PsiElementsValidityState() { |
| } |
| |
| public void addDependency(final String key, final Long value) { |
| myDependencies.put(key, value); |
| } |
| |
| public boolean equalsTo(ValidityState otherState) { |
| return otherState instanceof PsiElementsValidityState && |
| myDependencies.equals(((PsiElementsValidityState)otherState).myDependencies); |
| } |
| |
| public void save(DataOutput out) throws IOException { |
| final Set<Map.Entry<String, Long>> entries = myDependencies.entrySet(); |
| out.writeInt(entries.size()); |
| for (Map.Entry<String, Long> entry : entries) { |
| IOUtil.writeString(entry.getKey(), out); |
| out.writeLong(entry.getValue().longValue()); |
| } |
| } |
| |
| public static PsiElementsValidityState load(DataInput input) throws IOException { |
| int size = input.readInt(); |
| final PsiElementsValidityState state = new PsiElementsValidityState(); |
| while (size-- > 0) { |
| final String s = CompilerIOUtil.readString(input); |
| final long timestamp = input.readLong(); |
| state.addDependency(s, timestamp); |
| } |
| return state; |
| } |
| |
| public void addDependency(final PsiElement element) { |
| final PsiFile psiFile = element.getContainingFile(); |
| if (psiFile != null) { |
| VirtualFile file = psiFile.getVirtualFile(); |
| if (file != null) { |
| addDependency(file.getUrl(), file.getTimeStamp()); |
| } |
| } |
| } |
| } |