org.jetbrains.idea.svn.integrate.SvnIntegrateChangesActionPerformer.java Source code

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Here is the source code for org.jetbrains.idea.svn.integrate.SvnIntegrateChangesActionPerformer.java

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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 org.jetbrains.idea.svn.integrate;

import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Pair;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.SvnBundle;
import org.jetbrains.idea.svn.SvnConfiguration;
import org.jetbrains.idea.svn.SvnVcs;
import org.jetbrains.idea.svn.actions.SelectBranchPopup;
import org.jetbrains.idea.svn.branchConfig.SvnBranchConfigurationNew;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.internal.util.SVNPathUtil;

public class SvnIntegrateChangesActionPerformer implements SelectBranchPopup.BranchSelectedCallback {
    private final SvnVcs myVcs;
    private final MergerFactory myMergerFactory;

    private final SVNURL myCurrentBranch;

    public SvnIntegrateChangesActionPerformer(final Project project, final SVNURL currentBranchUrl,
            final MergerFactory mergerFactory) {
        myVcs = SvnVcs.getInstance(project);
        myCurrentBranch = currentBranchUrl;
        myMergerFactory = mergerFactory;
    }

    public void branchSelected(final Project project, final SvnBranchConfigurationNew configuration,
            final String url, final long revision) {
        onBranchSelected(url, null, null);
    }

    public void onBranchSelected(final String url, final String selectedLocalBranchPath, final String dialogTitle) {
        if (myCurrentBranch.toString().equals(url)) {
            Messages.showErrorDialog(
                    SvnBundle.message("action.Subversion.integrate.changes.error.source.and.target.same.text"),
                    SvnBundle.message("action.Subversion.integrate.changes.messages.title"));
            return;
        }

        // from name
        final String name = SVNPathUtil.tail(myCurrentBranch.toString());
        final Pair<WorkingCopyInfo, SVNURL> pair = IntegratedSelectedOptionsDialog.selectWorkingCopy(
                myVcs.getProject(), myCurrentBranch, url, true, selectedLocalBranchPath, dialogTitle);
        if (pair == null) {
            return;
        }

        final WorkingCopyInfo info = pair.first;
        final SVNURL realTargetUrl = pair.second;

        final SVNURL sourceUrl = correctSourceUrl(url, realTargetUrl.toString());
        if (sourceUrl == null) {
            // should not occur
            return;
        }
        final SvnIntegrateChangesTask task = new SvnIntegrateChangesTask(myVcs, info, myMergerFactory, sourceUrl,
                SvnBundle.message("action.Subversion.integrate.changes.messages.title"),
                SvnConfiguration.getInstance(myVcs.getProject()).isMergeDryRun(), name);
        ProgressManager.getInstance().run(task);
    }

    @Nullable
    private SVNURL correctSourceUrl(final String targetUrl, final String realTargetUrl) {
        try {
            if (realTargetUrl.length() > targetUrl.length()) {
                if (realTargetUrl.startsWith(targetUrl)) {
                    return myCurrentBranch.appendPath(realTargetUrl.substring(targetUrl.length()), true);
                }
            } else if (realTargetUrl.equals(targetUrl)) {
                return myCurrentBranch;
            }
        } catch (SVNException e) {
            // tracked by return value
        }
        return null;
    }
}