Example usage for java.lang String intern

Introduction

In this page you can find the example usage for java.lang String intern.

Prototype

public native String intern();

Source Link

Document

Returns a canonical representation for the string object.

Usage

From source file:org.wso2.carbon.appfactory.repository.mgt.git.GITBranchingStrategy.java

/**
 * {@inheritDoc}/*from   w  w w  .  java  2 s  .c  o m*/
 */
@Override
public void doRepositoryBranch(String appId, String currentVersion, String targetVersion,
        String currentRevision, String tenantDomain) throws RepositoryMgtException {
    String sourceURL = provider.getAppRepositoryURL(appId, tenantDomain);
    String applicationType;
    try {
        applicationType = ApplicationDAO.getInstance().getApplicationType(appId);
    } catch (AppFactoryException e1) {
        String msg = "Error while getting application type for " + appId;
        log.error(msg, e1);
        throw new RepositoryMgtException(msg, e1);
    }
    String dirpath = CarbonUtils.getTmpDir() + File.separator + "branch" + File.separator + appId
            + File.separator + targetVersion;
    String lock = tenantDomain + appId + targetVersion;

    synchronized (lock.intern()) {
        File workDir = new File(dirpath);
        try {
            FileUtils.forceMkdir(workDir);
            AppfactoryRepositoryClient client = provider.getRepositoryClient();
            String currentBranch = currentVersion;
            if (AppFactoryConstants.TRUNK.equals(currentVersion)) { // Since there is no branch called trunk in git
                currentBranch = MASTER_BRANCH;
            }

            client.retireveMetadata(sourceURL, true, workDir); // git clone without checkout
            client.branch(sourceURL, targetVersion, currentBranch, workDir); // create branch from remote references
            client.checkOut(sourceURL, targetVersion, workDir); // checkout new branch

            try {
                List<File> deletableFiles = ApplicationTypeManager.getInstance()
                        .getApplicationTypeBean(applicationType).getProcessor().getPreVersionDeleteableFiles(
                                appId, targetVersion, currentVersion, workDir.getAbsolutePath());

                for (File file : deletableFiles) {
                    client.delete(sourceURL, file, "", workDir); // git remove
                }
                if (deletableFiles.size() > 0) {
                    String deleteMsg = "Commit by the AppFactory System : deleting files before creating the branch.";
                    client.commitLocally(deleteMsg, true, workDir); // commit after git remove
                }
                ApplicationTypeManager.getInstance().getApplicationTypeBean(applicationType).getProcessor()
                        .doVersion(appId, targetVersion, currentVersion, workDir.getAbsolutePath());
            } catch (AppFactoryException e) {
                String msg = "Could not perform versioning for application : " + appId;
                log.error(msg, e);
                throw new RepositoryMgtException(msg, e);
            }
            String commitMsg = "Modified after the branching";
            client.add(sourceURL, workDir, true, false, workDir); // git add all the new and updated files
            client.commitLocally(commitMsg, true, workDir); // git commit after adding new files
            boolean isSuccessful = client.pushLocalCommits(sourceURL, targetVersion, workDir); // git push
            if (!isSuccessful) {
                String errorMsg = "Failed to complete git push because remote git server rejected the push command.";
                log.error(errorMsg);
                throw new RepositoryMgtException(errorMsg);
            }
        } catch (IOException e) {
            String msg = "Error creating work directory at location" + workDir.getAbsolutePath();
            log.error(msg, e);
            throw new RepositoryMgtException(msg, e);
        } finally {
            try {
                FileUtils.deleteDirectory(workDir);
            } catch (IOException e) {
                log.error("Error deleting work directory " + e.getMessage(), e);
            }
        }
    }
}

From source file:com.qwarz.graph.model.GraphNode.java

@JsonIgnore
@XmlTransient/*w  w  w  .j  av  a 2  s  .  c  o  m*/
public boolean removeEdge(String type, String value) {
    if (value == null || value.isEmpty())
        return false;
    if (edges == null)
        return false;
    if (type == null || type.isEmpty())
        return false;
    type = type.intern();
    Set<String> nodeIdSet = edges.get(type);
    if (nodeIdSet == null)
        return false;
    return nodeIdSet.remove(value);
}

From source file:com.thoughtworks.go.server.cache.GoCache.java

public void put(String key, String subKey, Object value) {
    KeyList subKeys;//from  w w w .  jav a2 s.  c o m
    synchronized (key.intern()) {
        subKeys = subKeyFamily(key);
        if (subKeys == null) {
            subKeys = new KeyList();
            put(key, subKeys);
        }
        subKeys.add(subKey);
    }
    put(compositeKey(key, subKey), value);
}

From source file:org.apache.axis.utils.NSStack.java

/**
 * Add a mapping for a namespaceURI to the specified prefix to the top
 * frame in the stack.  If the prefix is already mapped in that frame,
 * remap it to the (possibly different) namespaceURI.
 *///from  w  w  w.j  a va 2  s  .  c o m
public void add(String namespaceURI, String prefix) {
    int idx = top;
    prefix = prefix.intern();
    try {
        // Replace duplicate prefixes (last wins - this could also fault)
        for (int cursor = top; stack[cursor] != null; cursor--) {
            if (stack[cursor].getPrefix() == prefix) {
                stack[cursor].setNamespaceURI(namespaceURI);
                idx = cursor;
                return;
            }
        }

        push();
        stack[top] = new Mapping(namespaceURI, prefix);
        idx = top;
    } finally {
        // If this is the default namespace, note the new in-scope
        // default is here.
        if (prefix.length() == 0) {
            currentDefaultNS = idx;
        }
    }
}

From source file:com.netxforge.oss2.xml.event.Maskelement.java

/**
 * Sets the value of '_mevalueList' by setting it to the given
 * Vector. No type checking is performed.
 * @deprecated//from w w w .jav a 2s.c o  m
 * 
 * @param mevalueList the Vector to set.
 */
public void setMevalueCollection(final java.util.List<java.lang.String> mevalueList) {
    this._mevalueList.clear();
    for (final String value : mevalueList) {
        this._mevalueList.add(value.intern());
    }
}

From source file:com.netxforge.oss2.xml.event.Maskelement.java

/**
 * Sets the value of '_mevalueList' by copying the given
 * Vector. All elements will be checked for type safety.
 * //  w  ww . j a  v a2 s  .c o  m
 * @param vMevalueList the Vector to copy.
 */
public void setMevalue(final java.util.List<java.lang.String> vMevalueList) {
    // copy vector
    this._mevalueList.clear();
    for (final String value : vMevalueList) {
        this._mevalueList.add(value.intern());
    }
}

From source file:no.sesat.search.view.velocity.URLResourceLoader.java

/**
 * Get an InputStream so that the Runtime can build a
 * template with it./*from  w  w  w .j ava2s  .  c o m*/
 *
 * @param url  url of template to fetch bytestream of
 * @return InputStream containing the template
 * @throws ResourceNotFoundException if template not found
 *         in the file template path.
 */
public /*synchronized*/ InputStream getResourceStream(final String url) throws ResourceNotFoundException {

    LOG.trace("start getResourceStream( " + url + " )");
    try {
        synchronized (url.intern()) {
            return getStream(findUrl(url, site));
        }

    } catch (IOException e) {
        throw new ResourceNotFoundException(ERR_RESOURCE_NOT_FOUND + url);
    }
}

From source file:org.dkpro.tc.api.features.Instance.java

public Instance(Collection<Feature> features, String outcome) {
    this.features = new ArrayList<Feature>(features);
    this.features.sort(getComparator());
    this.outcomes = new ArrayList<String>();
    this.outcomes.add(outcome);
    outcome.intern();
}

From source file:com.headstrong.fusion.statemachine.StateMachineErrorReporter.java

/**
 * @see ErrorReporter#onError(String, String, Object)
 *//*from   w ww  .  j  a v a2s .  c  om*/
public void onError(final String errorCode, final String errDetail, final Object errCtx) {
    // Note: the if-then-else below is based on the actual usage
    // (codebase search), it has to be kept up-to-date as the code changes
    String errCode = errorCode.intern();
    StringBuffer msg = new StringBuffer();
    msg.append(errCode).append(" (");
    msg.append(errDetail).append("): ");
    if (errCode == ErrorConstants.NO_INITIAL) {
        if (errCtx instanceof SCXML) {
            // determineInitialStates
            msg.append("<SCXML>");
        } else if (errCtx instanceof State) {
            // determineInitialStates
            // determineTargetStates
            msg.append("State ").append(LogUtils.getTTPath((State) errCtx));
        }
    } else if (errCode == ErrorConstants.UNKNOWN_ACTION) {
        // executeActionList
        msg.append("Action: ").append(errCtx.getClass().getName());
    } else if (errCode == ErrorConstants.ILLEGAL_CONFIG) {
        // isLegalConfig
        if (errCtx instanceof Map.Entry) {
            TransitionTarget tt = (TransitionTarget) (((Map.Entry) errCtx).getKey());
            Set vals = (Set) (((Map.Entry) errCtx).getValue());
            msg.append(LogUtils.getTTPath(tt)).append(" : [");
            for (Iterator i = vals.iterator(); i.hasNext();) {
                TransitionTarget tx = (TransitionTarget) i.next();
                msg.append(LogUtils.getTTPath(tx));
                if (i.hasNext()) {
                    msg.append(", ");
                }
            }
            msg.append(']');
        } else if (errCtx instanceof Set) {
            Set vals = (Set) errCtx;
            msg.append("<SCXML> : [");
            for (Iterator i = vals.iterator(); i.hasNext();) {
                TransitionTarget tx = (TransitionTarget) i.next();
                msg.append(LogUtils.getTTPath(tx));
                if (i.hasNext()) {
                    msg.append(", ");
                }
            }
            msg.append(']');
        }
    }
    if (logger.isWarnEnabled()) {
        logger.warn(msg.toString());
    }
}