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/*
* 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.vcs.changes;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.InvalidDataException;
import com.intellij.openapi.util.WriteExternalException;
import com.intellij.openapi.util.text.StringUtil;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
class ChangeListManagerSerialization {
@NonNls static final String ATT_ID = "id";
@NonNls static final String ATT_NAME = "name";
@NonNls static final String ATT_COMMENT = "comment";
@NonNls static final String ATT_DEFAULT = "default";
@NonNls static final String ATT_READONLY = "readonly";
@NonNls static final String ATT_VALUE_TRUE = "true";
@NonNls static final String ATT_CHANGE_TYPE = "type";
@NonNls static final String ATT_CHANGE_BEFORE_PATH = "beforePath";
@NonNls static final String ATT_CHANGE_AFTER_PATH = "afterPath";
@NonNls static final String ATT_PATH = "path";
@NonNls static final String ATT_MASK = "mask";
@NonNls static final String NODE_LIST = "list";
@NonNls static final String NODE_IGNORED = "ignored";
@NonNls static final String NODE_CHANGE = "change";
private final IgnoredFilesComponent myIgnoredIdeaLevel;
private final ChangeListWorker myWorker;
ChangeListManagerSerialization(final IgnoredFilesComponent ignoredIdeaLevel, final ChangeListWorker worker) {
myIgnoredIdeaLevel = ignoredIdeaLevel;
myWorker = worker;
}
@SuppressWarnings({"unchecked"})
public void readExternal(final Element element) throws InvalidDataException {
final List<Element> listNodes = element.getChildren(NODE_LIST);
for (Element listNode : listNodes) {
readChangeList(listNode);
}
final List<Element> ignoredNodes = element.getChildren(NODE_IGNORED);
for (Element ignoredNode: ignoredNodes) {
readFileToIgnore(ignoredNode);
}
}
private void readChangeList(final Element listNode) {
// workaround for loading incorrect settings (with duplicate changelist names)
final String changeListName = listNode.getAttributeValue(ATT_NAME);
LocalChangeList list = myWorker.getCopyByName(changeListName);
if (list == null) {
list = myWorker.addChangeList(listNode.getAttributeValue(ATT_ID), changeListName, listNode.getAttributeValue(ATT_COMMENT), false,
null);
}
//noinspection unchecked
final List<Element> changeNodes = listNode.getChildren(NODE_CHANGE);
for (Element changeNode : changeNodes) {
try {
myWorker.addChangeToList(changeListName, readChange(changeNode), null);
}
catch (OutdatedFakeRevisionException e) {
// Do nothing. Just skip adding outdated revisions to the list.
}
}
if (ATT_VALUE_TRUE.equals(listNode.getAttributeValue(ATT_DEFAULT))) {
myWorker.setDefault(list.getName());
}
if (ATT_VALUE_TRUE.equals(listNode.getAttributeValue(ATT_READONLY))) {
list.setReadOnly(true);
}
}
private void readFileToIgnore(final Element ignoredNode) {
String path = ignoredNode.getAttributeValue(ATT_PATH);
if (path != null) {
Project project = myWorker.getProject();
final IgnoredFileBean bean = path.endsWith("/") || path.endsWith(File.separator)
? IgnoredBeanFactory.ignoreUnderDirectory(path, project)
: IgnoredBeanFactory.ignoreFile(path, project);
myIgnoredIdeaLevel.add(bean);
}
String mask = ignoredNode.getAttributeValue(ATT_MASK);
if (mask != null) {
final IgnoredFileBean bean = IgnoredBeanFactory.withMask(mask);
myIgnoredIdeaLevel.add(bean);
}
}
public void writeExternal(Element element) throws WriteExternalException {
final List<LocalChangeList> changeListList = myWorker.getListsCopy();
for (LocalChangeList list : changeListList) {
Element listNode = new Element(NODE_LIST);
element.addContent(listNode);
if (list.isDefault()) {
listNode.setAttribute(ATT_DEFAULT, ATT_VALUE_TRUE);
}
if (list.isReadOnly()) {
listNode.setAttribute(ATT_READONLY, ATT_VALUE_TRUE);
}
listNode.setAttribute(ATT_ID, list.getId());
listNode.setAttribute(ATT_NAME, list.getName());
listNode.setAttribute(ATT_COMMENT, list.getComment());
List<Change> changes = new ArrayList<Change>(list.getChanges());
Collections.sort(changes, new ChangeComparator());
for (Change change : changes) {
writeChange(listNode, change);
}
}
final IgnoredFileBean[] filesToIgnore = myIgnoredIdeaLevel.getFilesToIgnore();
for(IgnoredFileBean bean: filesToIgnore) {
Element fileNode = new Element(NODE_IGNORED);
element.addContent(fileNode);
String path = bean.getPath();
if (path != null) {
fileNode.setAttribute("path", path);
}
String mask = bean.getMask();
if (mask != null) {
fileNode.setAttribute("mask", mask);
}
}
}
private static class ChangeComparator implements Comparator<Change> {
@Override
public int compare(Change o1, Change o2) {
return Comparing.compare(o1.toString(), o2.toString());
}
}
private static void writeChange(final Element listNode, final Change change) {
Element changeNode = new Element(NODE_CHANGE);
listNode.addContent(changeNode);
changeNode.setAttribute(ATT_CHANGE_TYPE, change.getType().name());
final ContentRevision bRev = change.getBeforeRevision();
final ContentRevision aRev = change.getAfterRevision();
changeNode.setAttribute(ATT_CHANGE_BEFORE_PATH, bRev != null ? bRev.getFile().getPath() : "");
changeNode.setAttribute(ATT_CHANGE_AFTER_PATH, aRev != null ? aRev.getFile().getPath() : "");
}
private static Change readChange(Element changeNode) throws OutdatedFakeRevisionException {
String bRev = changeNode.getAttributeValue(ATT_CHANGE_BEFORE_PATH);
String aRev = changeNode.getAttributeValue(ATT_CHANGE_AFTER_PATH);
return new Change(StringUtil.isEmpty(bRev) ? null : new FakeRevision(bRev), StringUtil.isEmpty(aRev) ? null : new FakeRevision(aRev));
}
static final class OutdatedFakeRevisionException extends Exception {}
}
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