| /* |
| * 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.history.core.changes; |
| |
| import com.intellij.history.core.Content; |
| import com.intellij.history.core.Paths; |
| import com.intellij.history.core.StreamUtil; |
| import com.intellij.history.core.tree.Entry; |
| import com.intellij.history.core.tree.RootEntry; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class DeleteChange extends StructuralChange { |
| private final Entry myDeletedEntry; |
| |
| public DeleteChange(long id, String path, Entry deletedEntry) { |
| super(id, path); |
| myDeletedEntry = deletedEntry; |
| } |
| |
| public DeleteChange(DataInput in) throws IOException { |
| super(in); |
| myDeletedEntry = StreamUtil.readEntry(in); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| super.write(out); |
| StreamUtil.writeEntry(out, myDeletedEntry); |
| } |
| |
| public Entry getDeletedEntry() { |
| return myDeletedEntry; |
| } |
| |
| @Override |
| public void revertOn(RootEntry root, boolean warnOnFileNotFound) { |
| String parentPath = Paths.getParentOf(myPath); |
| Entry parent = root.findEntry(parentPath); |
| if (parent == null) { |
| cannotRevert(parentPath, warnOnFileNotFound); |
| return; |
| } |
| parent.addChild(myDeletedEntry.copy()); |
| } |
| |
| public boolean isDeletionOf(String p) { |
| String relative = Paths.relativeIfUnder(p, myPath); |
| if (relative == null) return false; |
| return myDeletedEntry.hasEntry(relative); |
| } |
| |
| @Override |
| public List<Content> getContentsToPurge() { |
| List<Content> result = new ArrayList<Content>(); |
| collectContentsRecursively(myDeletedEntry, result); |
| return result; |
| } |
| |
| private void collectContentsRecursively(Entry e, List<Content> result) { |
| if (e.isDirectory()) { |
| for (Entry child : e.getChildren()) { |
| collectContentsRecursively(child, result); |
| } |
| } |
| else { |
| result.add(e.getContent()); |
| } |
| } |
| |
| @Override |
| public void accept(ChangeVisitor v) throws ChangeVisitor.StopVisitingException { |
| v.visit(this); |
| } |
| } |