org.jetbrains.idea.svn.treeConflict.ApplyPatchSaveToFileExecutor.java Source code

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Here is the source code for org.jetbrains.idea.svn.treeConflict.ApplyPatchSaveToFileExecutor.java

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/*
 * Copyright 2000-2012 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 org.jetbrains.idea.svn.treeConflict;

import com.intellij.CommonBundle;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP;
import com.intellij.openapi.diff.impl.patch.FilePatch;
import com.intellij.openapi.diff.impl.patch.PatchSyntaxException;
import com.intellij.openapi.diff.impl.patch.TextFilePatch;
import com.intellij.openapi.fileChooser.FileChooserFactory;
import com.intellij.openapi.fileChooser.FileSaverDescriptor;
import com.intellij.openapi.fileChooser.FileSaverDialog;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vcs.VcsBundle;
import com.intellij.openapi.vcs.changes.CommitContext;
import com.intellij.openapi.vcs.changes.LocalChangeList;
import com.intellij.openapi.vcs.changes.TransparentlyFailedValueI;
import com.intellij.openapi.vcs.changes.patch.ApplyPatchExecutor;
import com.intellij.openapi.vcs.changes.patch.FilePatchInProgress;
import com.intellij.openapi.vcs.changes.patch.PatchWriter;
import com.intellij.openapi.vfs.*;
import com.intellij.util.WaitForProgressToShow;
import com.intellij.util.containers.MultiMap;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;

/**
 * Created with IntelliJ IDEA.
 * User: Irina.Chernushina
 * Date: 5/17/12
 * Time: 6:02 PM
 */
public class ApplyPatchSaveToFileExecutor implements ApplyPatchExecutor {
    private final Project myProject;
    private final VirtualFile myBaseForPatch;
    private static final Logger LOG = Logger
            .getInstance("#org.jetbrains.idea.svn.treeConflict.ApplyPatchSaveToFileExecutor");

    public ApplyPatchSaveToFileExecutor(Project project, VirtualFile baseForPatch) {
        myProject = project;
        myBaseForPatch = baseForPatch;
    }

    @Override
    public String getName() {
        return "Save patch to file";
    }

    @Override
    public void apply(MultiMap<VirtualFile, FilePatchInProgress> patchGroups, LocalChangeList localList,
            String fileName,
            TransparentlyFailedValueI<Map<String, Map<String, CharSequence>>, PatchSyntaxException> additionalInfo) {
        final FileSaverDialog dialog = FileChooserFactory.getInstance()
                .createSaveFileDialog(new FileSaverDescriptor("Save patch to", ""), myProject);
        final VirtualFile baseDir = myProject.getBaseDir();
        final VirtualFileWrapper save = dialog.save(baseDir, "TheirsChanges.patch");
        if (save != null) {
            final CommitContext commitContext = new CommitContext();

            final VirtualFile baseForPatch = myBaseForPatch == null ? baseDir : myBaseForPatch;
            try {
                final List<FilePatch> textPatches = patchGroupsToOneGroup(patchGroups, baseForPatch);
                commitContext.putUserData(BaseRevisionTextPatchEP.ourPutBaseRevisionTextKey, false);
                PatchWriter.writePatches(myProject, save.getFile().getPath(), textPatches, commitContext,
                        CharsetToolkit.UTF8_CHARSET);
            } catch (final IOException e) {
                LOG.info(e);
                WaitForProgressToShow.runOrInvokeLaterAboveProgress(new Runnable() {
                    public void run() {
                        Messages.showErrorDialog(myProject,
                                VcsBundle.message("create.patch.error.title", e.getMessage()),
                                CommonBundle.getErrorTitle());
                    }
                }, null, myProject);
            }
        }
    }

    public static List<FilePatch> patchGroupsToOneGroup(MultiMap<VirtualFile, FilePatchInProgress> patchGroups,
            VirtualFile baseDir) throws IOException {
        final List<FilePatch> textPatches = new ArrayList<FilePatch>();
        final String baseDirPath = baseDir.getPath();

        for (Map.Entry<VirtualFile, Collection<FilePatchInProgress>> entry : patchGroups.entrySet()) {
            final VirtualFile vf = entry.getKey();
            final String currBasePath = vf.getPath();
            final String relativePath = VfsUtilCore.getRelativePath(vf, baseDir, '/');
            final boolean toConvert = !StringUtil.isEmptyOrSpaces(relativePath) && !".".equals(relativePath);
            for (FilePatchInProgress patchInProgress : entry.getValue()) {
                final TextFilePatch patch = patchInProgress.getPatch();
                if (toConvert) {
                    //correct paths
                    patch.setBeforeName(convertRelativePath(patch.getBeforeName(), currBasePath, baseDirPath));
                    patch.setAfterName(convertRelativePath(patch.getAfterName(), currBasePath, baseDirPath));
                }
                textPatches.add(patch);
            }
        }
        return textPatches;
    }

    private static String convertRelativePath(String pathInPatch, String currentBase, String baseDirPath)
            throws IOException {
        if (StringUtil.isEmptyOrSpaces(pathInPatch))
            return pathInPatch;
        final File currentPath = new File(currentBase, pathInPatch);
        return FileUtil.getRelativePath(FileUtil.toSystemIndependentName(baseDirPath),
                FileUtil.toSystemIndependentName(currentPath.getCanonicalPath()), '/');
    }
}