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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.info;
import com.intellij.execution.process.ProcessOutput;
import com.intellij.execution.process.ProcessOutputTypes;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.CharsetToolkit;
import com.intellij.util.Consumer;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.api.BaseSvnClient;
import org.jetbrains.idea.svn.api.Depth;
import org.jetbrains.idea.svn.commandLine.*;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.wc.SVNRevision;
import org.tmatesoft.svn.core.wc2.SvnTarget;
import org.xml.sax.SAXException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
/**
* Created with IntelliJ IDEA.
* User: Irina.Chernushina
* Date: 1/27/12
* Time: 12:59 PM
*/
public class CmdInfoClient extends BaseSvnClient implements InfoClient {
private static final Logger LOG = Logger.getInstance(CmdInfoClient.class);
private String execute(@NotNull List<String> parameters, @NotNull File path) throws SvnBindException {
// workaround: separately capture command output - used in exception handling logic to overcome svn 1.8 issue (see below)
final ProcessOutput output = new ProcessOutput();
LineCommandListener listener = new LineCommandAdapter() {
@Override
public void onLineAvailable(String line, Key outputType) {
if (outputType == ProcessOutputTypes.STDOUT) {
output.appendStdout(line);
}
}
};
try {
CommandExecutor command = execute(myVcs, SvnTarget.fromFile(path), SvnCommandName.info, parameters, listener);
return command.getOutput();
}
catch (SvnBindException e) {
final String text = StringUtil.notNullize(e.getMessage());
if (text.contains("W155010")) {
// if "svn info" is executed for several files at once, then this warning could be printed only for some files, but info for other
// files should be parsed from output
return output.getStdout();
}
// not a working copy exception
// "E155007: '' is not a working copy"
if (text.contains("is not a working copy") && StringUtil.isNotEmpty(output.getStdout())) {
// TODO: Seems not reproducible in 1.8.4
// workaround: as in subversion 1.8 "svn info" on a working copy root outputs such error for parent folder,
// if there are files with conflicts.
// but the requested info is still in the output except root closing tag
return output.getStdout() + "</info>";
}
throw e;
}
}
@Nullable
private static Info parseResult(@Nullable File base, @Nullable String result) throws SvnBindException {
CollectInfoHandler handler = new CollectInfoHandler();
parseResult(handler, base, result);
return handler.getInfo();
}
private static void parseResult(@NotNull final InfoConsumer handler, @Nullable File base, @Nullable String result)
throws SvnBindException {
if (StringUtil.isEmptyOrSpaces(result)) {
return;
}
final SvnInfoHandler infoHandler = new SvnInfoHandler(base, new Consumer<Info>() {
@Override
public void consume(Info info) {
try {
handler.consume(info);
}
catch (SVNException e) {
throw new SvnExceptionWrapper(e);
}
}
});
parseResult(result, infoHandler);
}
private static void parseResult(@NotNull String result, @NotNull SvnInfoHandler handler) throws SvnBindException {
try {
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
parser.parse(new ByteArrayInputStream(result.trim().getBytes(CharsetToolkit.UTF8_CHARSET)), handler);
}
catch (SvnExceptionWrapper e) {
LOG.info("info output " + result);
throw new SvnBindException(e.getCause());
} catch (IOException e) {
LOG.info("info output " + result);
throw new SvnBindException(e);
}
catch (ParserConfigurationException e) {
LOG.info("info output " + result);
throw new SvnBindException(e);
}
catch (SAXException e) {
LOG.info("info output " + result);
throw new SvnBindException(e);
}
}
@NotNull
private static List<String> buildParameters(@NotNull String path,
@Nullable SVNRevision pegRevision,
@Nullable SVNRevision revision,
@Nullable Depth depth) {
List<String> parameters = ContainerUtil.newArrayList();
CommandUtil.put(parameters, depth);
CommandUtil.put(parameters, revision);
CommandUtil.put(parameters, path, pegRevision);
parameters.add("--xml");
return parameters;
}
@Override
public Info doInfo(File path, SVNRevision revision) throws SvnBindException {
File base = path.isDirectory() ? path : path.getParentFile();
base = CommandUtil.correctUpToExistingParent(base);
if (base == null) {
// very unrealistic
throw new SvnBindException("Can not find existing parent file");
}
return parseResult(base, execute(buildParameters(path.getAbsolutePath(), SVNRevision.UNDEFINED, revision, Depth.EMPTY), path));
}
@Override
public Info doInfo(SVNURL url, SVNRevision pegRevision, SVNRevision revision) throws SvnBindException {
CommandExecutor command = execute(myVcs, SvnTarget.fromURL(url), SvnCommandName.info, buildParameters(url.toDecodedString(), pegRevision, revision, Depth.EMPTY), null);
return parseResult(null, command.getOutput());
}
@Override
public void doInfo(@NotNull Collection<File> paths, @Nullable InfoConsumer handler) throws SvnBindException {
File base = ContainerUtil.getFirstItem(paths);
if (base != null) {
base = CommandUtil.correctUpToExistingParent(base);
List<String> parameters = ContainerUtil.newArrayList();
for (File file : paths) {
CommandUtil.put(parameters, file);
}
parameters.add("--xml");
// Currently do not handle exceptions here like in SvnVcs.handleInfoException - just continue with parsing in case of warnings for
// some of the requested items
String result = execute(parameters, base);
if (handler != null) {
parseResult(handler, base, result);
}
}
}
private static class CollectInfoHandler implements InfoConsumer {
@Nullable private Info myInfo;
@Override
public void consume(Info info) throws SVNException {
myInfo = info;
}
@Nullable
public Info getInfo() {
return myInfo;
}
}
}
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