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package net.brutex.xservices.ws.rs;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;
import java.net.URI;
import java.util.List;
import java.util.StringTokenizer;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import net.brutex.xservices.types.scm.AttributeType;
import net.brutex.xservices.types.scm.ItemListType;
import net.brutex.xservices.types.scm.ItemType;
import net.brutex.xservices.types.scm.ModuleListType;
import net.brutex.xservices.types.scm.ModuleType;
import net.brutex.xservices.types.scm.ObjectFactory;
import net.brutex.xservices.types.scm.RevisionType;
import net.brutex.xservices.types.scm.TagListType;
import net.brutex.xservices.types.scmfindings.FindingsListType;
import net.brutex.xservices.util.BasicCVSListener;
import net.brutex.xservices.util.CVSClient;
import net.brutex.xservices.util.CVSRoot;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.jcs.JCS;
import org.apache.jcs.access.exception.CacheException;
import org.apache.log4j.Logger;
import org.netbeans.lib.cvsclient.Client;
import org.netbeans.lib.cvsclient.command.CommandAbortedException;
import org.netbeans.lib.cvsclient.command.CommandException;
import org.netbeans.lib.cvsclient.command.FileInfoContainer;
import org.netbeans.lib.cvsclient.command.PipedFileInformation;
import org.netbeans.lib.cvsclient.command.checkout.CheckoutCommand;
import org.netbeans.lib.cvsclient.command.checkout.ModuleListInformation;
import org.netbeans.lib.cvsclient.command.log.LogInformation;
import org.netbeans.lib.cvsclient.command.log.LogInformation.Revision;
import org.netbeans.lib.cvsclient.command.log.RlogCommand;
import org.netbeans.lib.cvsclient.connection.AuthenticationException;
import org.netbeans.lib.cvsclient.event.EventManager;
import org.netbeans.lib.cvsclient.event.FileInfoEvent;
public class CVSInfoImpl implements CVSInfo {
final Logger logger = Logger.getLogger(CVSInfoImpl.class);
final ObjectFactory FACTORY = new ObjectFactory();
final ItemListType list = this.FACTORY.createItemListType();
public Response getRepositoryFiles(HttpHeaders h, File f, String modules,
boolean isRecursive, boolean showRevisions, boolean forceNoCache) {
String cachekey = "getFiles" + f.toURI().toString();
this.logger.debug("forceNoCache=" + forceNoCache);
ItemListType cacheresult = (ItemListType) getCacheInstance().get(
cachekey);
if ((!forceNoCache) && (cacheresult != null)) {
return Response.ok(cacheresult).build();
}
Client client;
try {
final CVSClient cvsclient = new CVSClient(f);
client = cvsclient.client;
client.getEventManager().addCVSListener(new BasicCVSListener() {
public void fileInfoGenerated(FileInfoEvent arg0) {
LogInformation info = (LogInformation) arg0
.getInfoContainer();
String repoPath = cvsclient.client.getRepository();
ItemType cvsfile = CVSInfoImpl.this.FACTORY
.createItemType();
cvsfile.setIsLeaf(true);
cvsfile.setIsBinary(false);
cvsfile.setFullname(info.getRepositoryFilename().substring(
repoPath.length() + 2,
info.getRepositoryFilename().length() - 2));
cvsfile.setRemotename(info.getRepositoryFilename());
cvsfile.setRemotefullname(info.getRepositoryFilename());
RevisionType revision = CVSInfoImpl.this.FACTORY
.createRevisionType();
revision.setRevision(info.getHeadRevision());
revision.setComment(info.getDescription());
cvsfile.setTipRevision(revision);
for (LogInformation.Revision r : info.getRevisionList()) {
revision = CVSInfoImpl.this.FACTORY
.createRevisionType();
revision.setRevision(r.getNumber());
revision.setComment(r.getMessage());
cvsfile.getRevisions().add(revision);
}
cvsfile.getAttributes().add(
CVSInfoImpl.this.getAttribute("TOTALREVISIONS",
info.getTotalRevisions()));
cvsfile.getAttributes().add(
CVSInfoImpl.this.getAttribute("BRANCH",
info.getBranch()));
cvsfile.getAttributes().add(
CVSInfoImpl.this.getAttribute(
"KEYWORDSUBSTITUTION",
info.getKeywordSubstitution()));
cvsfile.getAttributes().add(
CVSInfoImpl.this.getAttribute("LOCKS",
info.getLocks()));
cvsfile.getAttributes().add(
CVSInfoImpl.this.getAttribute("SELECTEDREVISIONS",
info.getSelectedRevisions()));
cvsfile.setROOT(cvsclient.getRoot().host + "@"
+ cvsclient.getRoot().repository);
CVSInfoImpl.this.list.getItems().add(cvsfile);
String key = CVSClient.generateID(cvsfile);
try {
CVSInfoImpl.this.getCacheInstance().put(key, cvsfile);
} catch (CacheException e) {
CVSInfoImpl.this.logger.error("Could not cache item '"
+ key + "'", e);
}
}
});
RlogCommand rlog = new RlogCommand();
StringTokenizer tk = new StringTokenizer(modules, ",");
while (tk.hasMoreTokens()) {
rlog.setModule(tk.nextToken());
}
if (rlog.getModules().length == 0) {
rlog.setModule("");
}
rlog.setDefaultBranch(false);
rlog.setNoTags(false);
rlog.setHeaderAndDescOnly(false);
rlog.setRecursive(isRecursive);
this.logger.info("Executing CVS command '" + rlog.getCVSCommand()
+ "' against '" + cvsclient.getRoot().host + "@"
+ cvsclient.getRoot().repository + "'");
client.executeCommand(rlog, cvsclient.getGlobalOptions());
getCacheInstance().put(cachekey, this.list);
} catch (ConfigurationException e) {
this.logger.error("CVS Configuration File '" + f.getAbsolutePath()
+ f.getName() + "'not found.", e);
} catch (CommandAbortedException e) {
e.printStackTrace();
} catch (AuthenticationException e) {
e.printStackTrace();
} catch (CommandException e) {
e.printStackTrace();
} catch (CacheException e) {
e.printStackTrace();
}
if (!showRevisions) {
for (ItemType t : this.list.getItems()) {
t.getRevisions().clear();
}
}
return Response.ok(this.list).build();
}
public Response getModules(HttpHeaders h, File f, boolean forceNoCache) {
String cachekey = "Modules" + f.toURI().toString();
this.logger.debug("forceNoCache=" + forceNoCache);
ModuleListType response = (ModuleListType) getCacheInstance().get(
cachekey);
if ((!forceNoCache) && (response != null)) {
return Response.ok(response).build();
}
try {
CVSClient cvsclient = new CVSClient(f);
Client client = cvsclient.client;
final ModuleListType list = this.FACTORY.createModuleListType();
client.getEventManager().addCVSListener(new BasicCVSListener() {
public void fileInfoGenerated(FileInfoEvent e) {
ModuleListInformation info = (ModuleListInformation) e
.getInfoContainer();
ModuleType module = CVSInfoImpl.this.FACTORY
.createModuleType();
module.setName(info.getModuleName());
module.setStatus(info.getModuleStatus());
module.setPath(info.getPaths());
module.setType(info.getType());
list.getModules().add(module);
}
});
CheckoutCommand co = new CheckoutCommand();
co.setShowModulesWithStatus(true);
this.logger.info("Executing CVS command '" + co.getCVSCommand()
+ "' against '" + cvsclient.getRoot().host + "@"
+ cvsclient.getRoot().repository + "'");
client.executeCommand(co, cvsclient.getGlobalOptions());
if (list.getModules().size() == 0) {
this.logger.warn("Repository '"
+ cvsclient.getRoot().repository
+ "' does not have modules");
}
getCacheInstance().put(cachekey, list);
return Response.ok(list).build();
} catch (Exception e) {
e.printStackTrace();
}
return Response.serverError().build();
}
public Response getTags(HttpHeaders h, File f, boolean withFiles) {
String cachekey = f.toURI().toString() + ":taglist";
this.logger.debug("Retrieving Tags from cache using key '" + cachekey
+ "'");
TagListType tags = (TagListType) getCacheInstance().get(cachekey);
if (tags != null) {
this.logger.debug("Delivering Tags from cache.");
return Response.ok(tags).build();
}
this.logger.warn("Taglist not found in cache.");
return Response.noContent().build();
}
public Response getFileContent(HttpHeaders h, File f, String filestring,
boolean forceNoCache) {
final ItemType result = this.FACTORY.createItemType();
final String cachekey = f.toURI().toString() + ":" + filestring
+ ":content";
ItemListType list = null;
if (!forceNoCache) {
this.logger.debug("Retrieving file content from cache using key '"
+ cachekey + "'");
list = (ItemListType) getCacheInstance().get(cachekey);
}
if (list != null) {
this.logger.debug("Delivering file content from cache.");
return Response.ok(list).build();
}
this.logger.warn("File content not found in cache.");
list = this.FACTORY.createItemListType();
try {
CVSClient cvsclient = new CVSClient(f);
Client client = cvsclient.getClient();
CheckoutCommand checkout = new CheckoutCommand();
BasicCVSListener listener = new BasicCVSListener() {
public void fileInfoGenerated(FileInfoEvent arg0) {
System.out.println(arg0.getInfoContainer().getFile()
.toURI().toString());
PipedFileInformation info = (PipedFileInformation) arg0
.getInfoContainer();
result.setName(info.getFile().getName());
try {
boolean isBinary = false;
result.setIsBinary(isBinary);
result.setRemotename(info.getRepositoryFileName());
RevisionType revision = CVSInfoImpl.this.FACTORY
.createRevisionType();
revision.setRevision(info.getRepositoryRevision());
revision.setComment("");
if (!isBinary) {
FileReader fin = new FileReader(info.getTempFile());
ByteArrayOutputStream bout = new ByteArrayOutputStream();
StringBuffer sbuf = new StringBuffer();
int c;
while ((c = fin.read()) != -1) {
bout.write(c);
sbuf.append((char) c);
}
result.setData(bout.toByteArray());
result.setContent(sbuf.toString());
}
} catch (IOException e2) {
e2.printStackTrace();
} catch (NullPointerException ne) {
ne.printStackTrace();
}
String key = CVSClient.generateID(result);
try {
CVSInfoImpl.this.getCacheInstance().put(cachekey,
result);
} catch (CacheException e1) {
e1.printStackTrace();
}
}
};
client.getEventManager().addCVSListener(listener);
checkout.setModule(filestring);
checkout.setPipeToOutput(true);
this.logger.info("Execute CVS command '" + checkout.getCVSCommand()
+ "' against '" + cvsclient.getRoot().host + "@"
+ cvsclient.getRoot().repository + "'");
client.executeCommand(checkout, cvsclient.getGlobalOptions());
} catch (CommandAbortedException e) {
e.printStackTrace();
} catch (ConfigurationException e) {
e.printStackTrace();
} catch (AuthenticationException e) {
e.printStackTrace();
} catch (CommandException e) {
e.printStackTrace();
}
if (result.getContent() != null) {
return Response.ok(result).build();
}
return Response.noContent().build();
}
public JCS getCacheInstance() {
JCS jcs = null;
String cacheinstance = "CVSCache";
try {
this.logger.trace("Getting cache instance named 'CVSCache'");
jcs = JCS.getInstance("CVSCache");
} catch (CacheException e) {
this.logger.error("Failed to get cache instance", e);
e.printStackTrace();
}
return jcs;
}
public Response searchFileContent(HttpHeaders h, File f,
String file_regexp, String content_regexp, boolean forceNoCache) {
try {
CVSClient client = new CVSClient(f);
String cvsroot = client.getRoot().host + "@"
+ client.getRoot().repository;
String cachestring = "FINDINGS-" + cvsroot;
this.logger
.debug("Fetch searchFileContent response from cache using cachekey '"
+ cachestring + "'");
FindingsListType result = (FindingsListType) getCacheInstance()
.get(cachestring);
if (result != null)
this.logger.debug("Found object for key '" + cachestring
+ "' in cache.");
else {
this.logger.debug("Found no object for key '" + cachestring
+ "' in cache.");
}
if (result != null)
return Response.ok(result).build();
} catch (CommandAbortedException e) {
e.printStackTrace();
} catch (ConfigurationException e) {
e.printStackTrace();
} catch (AuthenticationException e) {
e.printStackTrace();
}
return Response.noContent().build();
}
private AttributeType getAttribute(String name, String value) {
AttributeType attribute = this.FACTORY.createAttributeType();
attribute.setName(name);
attribute.setValue(value);
return attribute;
}
}
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