| /* |
| * 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 com.intellij.history.utils.LocalHistoryLog; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| |
| public abstract class StructuralChange extends Change { |
| protected final String myPath; |
| |
| protected StructuralChange(long id, String path) { |
| super(id); |
| myPath = path; |
| } |
| |
| protected StructuralChange(DataInput in) throws IOException { |
| super(in); |
| myPath = StreamUtil.readString(in); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| super.write(out); |
| StreamUtil.writeString(out, myPath); |
| } |
| |
| protected void removeEntry(Entry e) { |
| e.getParent().removeChild(e); |
| } |
| |
| public String getPath() { |
| return myPath; |
| } |
| |
| public String getOldPath() { |
| return myPath; |
| } |
| |
| public abstract void revertOn(RootEntry root, boolean warnOnFileNotFound); |
| |
| protected void cannotRevert(String path, boolean warnOnFileNotFound) { |
| if (warnOnFileNotFound) { |
| LocalHistoryLog.LOG.warn("cannot revert " + getClass().getSimpleName() + "->file not found: " + path); |
| } |
| } |
| |
| public String revertPath(String path) { |
| if (Paths.equals(getPath(), getOldPath())) return path; |
| |
| String relative = Paths.relativeIfUnder(path, myPath); |
| if (relative == null) return path; |
| if (relative.isEmpty()) return getOldPath(); |
| return Paths.appended(getOldPath(), relative); |
| } |
| |
| @Override |
| public boolean affectsPath(String path) { |
| for (String each : getAffectedPaths()) { |
| if (Paths.isParentOrChild(each, path)) return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean affectsProject(String projectId) { |
| return false; |
| } |
| |
| @Override |
| public boolean affectsMatching(Pattern pattern) { |
| for (String each : getAffectedPaths()) { |
| if ( pattern.matcher(Paths.getNameOf(each)).matches()) return true; |
| } |
| return false; |
| } |
| |
| protected String[] getAffectedPaths() { |
| return new String[]{myPath}; |
| } |
| |
| @Override |
| public boolean isCreationalFor(String path) { |
| return false; |
| } |
| |
| @Override |
| public List<Content> getContentsToPurge() { |
| return Collections.emptyList(); |
| } |
| |
| public String toString() { |
| return getClass().getSimpleName() + ": " + myPath; |
| } |
| } |