Example usage for org.dom4j Node selectSingleNode

List of usage examples for org.dom4j Node selectSingleNode

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Introduction

In this page you can find the example usage for org.dom4j Node selectSingleNode.

Prototype

Node selectSingleNode(String xpathExpression);

Source Link

Document

selectSingleNode evaluates an XPath expression and returns the result as a single Node instance.

Usage

From source file:server.data.ObjectSystemData.java

License:Open Source License

/**
 * Set the Metadata on this object. Tries to parse the submitted string
 * and throws an exception if it is not valid XML.<br/>
 * Note: this parses the meta-xml into metasets and stores them as such.
 * This method will unlink existing metasets if they are missing from the metadata,
 * that is, you cannot submit partial metadata to setMetadata. You must set <em>all</em>
 * metadata if you use this method. (see addMetaset to add an individual metaset)
 *
 * @param metadata    the custom metadata
 * @param writePolicy the write policy - what to do if other items already reference a metaset.
 *//*ww w  .java2s.  c  om*/
public void setMetadata(String metadata, WritePolicy writePolicy) {
    try {
        MetasetService metasetService = new MetasetService();

        EntityManager em = HibernateSession.getLocalEntityManager();
        if (metadata == null || metadata.trim().length() == 0) {
            this.metadata = "<meta/>";
            for (OsdMetaset om : getOsdMetasets()) {
                em.remove(om);
            }
        } else {
            Document doc = ParamParser.parseXmlToDocument(metadata, "error.param.metadata");
            List<Node> sets = doc.selectNodes("//metaset");
            //            log.debug("found "+sets.size()+" metaset nodes in:\n"+metadata);
            if (sets.size() == 0) {
                this.metadata = metadata;
                if (osdMetasets.size() > 0) {
                    // delete obsolete metasets:
                    for (Metaset m : fetchMetasets()) {
                        new MetasetService().unlinkMetaset(this, m);
                    }
                }
                return;
            }

            Set<MetasetType> currentMetasetMap = new HashSet<MetasetType>();
            for (Metaset metaset : fetchMetasets()) {
                // create a set of the currently existing metasets.
                currentMetasetMap.add(metaset.getType());
            }

            for (Node metasetNode : sets) {
                String content = metasetNode.detach().asXML();
                String metasetTypeName = metasetNode.selectSingleNode("@type").getText();
                log.debug("metasetType: " + metasetTypeName);
                MetasetTypeDAO mtDao = daoFactory.getMetasetTypeDAO(em);
                MetasetType metasetType = mtDao.findByName(metasetTypeName);
                if (metasetType == null) {
                    throw new CinnamonException("error.unknown.metasetType", metasetTypeName);
                }
                metasetService.createOrUpdateMetaset(this, metasetType, content, writePolicy);
                currentMetasetMap.remove(metasetType);
            }
            for (MetasetType metasetType : currentMetasetMap) {
                // any metaset that was not found in the metadata parameter will be deleted.                    
                metasetService.unlinkMetaset(this, this.fetchMetaset(metasetType.getName())); // somewhat convoluted.
            }
        }
    } catch (Exception e) {
        log.debug("failed to add metadata:", e);
        throw new RuntimeException(e);
    }
    // remove legacy metadata:
    this.metadata = "<meta />";
}

From source file:server.Folder.java

License:Open Source License

/**
 * Set the Metadata on this item. Tries to parse the submitted string
 * and throws an exception if it is not valid XML.<br/>
 * Note: this parses the meta-xml into metasets and stores them as such.
 * This method will unlink existing metasets if they are missing from the metadata,
 * that is, you cannot submit partial metadata to setMetadata. You must set <em>all</em>
 * metadata if you use this method. (see addMetaset to add an individual metaset) 
 * @param metadata the custom metadata/*w w  w  . ja  v  a 2s .c o  m*/
 * @param writePolicy the WritePolicy - how to treat existing metasets.
 */
public void setMetadata(String metadata, WritePolicy writePolicy) {
    EntityManager em = HibernateSession.getLocalEntityManager();
    if (metadata == null || metadata.trim().length() == 0) {
        this.metadata = "<meta/>";
        for (FolderMetaset fm : getFolderMetasets()) {
            em.remove(fm);
        }
    } else {
        MetasetService metasetService = new MetasetService();
        Document doc = ParamParser.parseXmlToDocument(metadata, "error.param.metadata");
        List<Node> sets = doc.selectNodes("//metaset");
        if (sets.size() == 0) {
            this.metadata = metadata;
            if (folderMetasets.size() > 0) {
                // delete obsolete metasets:
                for (Metaset m : fetchMetasets()) {
                    new MetasetService().unlinkMetaset(this, m);
                }
            }
            return;
        }

        Set<MetasetType> currentMetasetMap = new HashSet<MetasetType>();
        for (Metaset metaset : fetchMetasets()) {
            // create a set of the currently existing metasets.
            currentMetasetMap.add(metaset.getType());
        }

        for (Node metasetNode : sets) {
            String content = metasetNode.detach().asXML();
            String metasetTypeName = metasetNode.selectSingleNode("@type").getText();
            log.debug("metasetType: " + metasetTypeName);
            MetasetTypeDAO mtDao = daoFactory.getMetasetTypeDAO(em);
            MetasetType metasetType = mtDao.findByName(metasetTypeName);
            if (metasetType == null) {
                throw new CinnamonException("error.unknown.metasetType", metasetTypeName);
            }
            metasetService.createOrUpdateMetaset(this, metasetType, content, writePolicy);
            currentMetasetMap.remove(metasetType);
        }
        for (MetasetType metasetType : currentMetasetMap) {
            // any metaset that was not found in the metadata parameter will be deleted.                    
            metasetService.unlinkMetaset(this, this.fetchMetaset(metasetType.getName())); // somewhat convoluted.
        }
    }
    // remove legacy metadata
    this.metadata = "<meta />";
}

From source file:service.SerTimerHandler.java

License:Open Source License

public static void deleteOldTimer() {
    Element root = getTimerDocument().getRootElement();
    List nodes = SerXPathHandling.getNodes("/timerList/localTimer/stopTime", getTimerDocument());
    boolean edited = false;

    for (int i = 0; i < nodes.size(); i++) {
        Node node = (Node) nodes.get(i);
        long localTimerStop = Long.parseLong(node.getText());
        long now = new GregorianCalendar().getTimeInMillis();

        if (now > localTimerStop) {
            Node localTimer = node.getParent();
            Element repeatId = (Element) localTimer.selectSingleNode("mainTimer/eventRepeatId");
            if (repeatId != null && repeatId.getText().equals("0")) {
                root.remove(localTimer);
                edited = true;//  w  w  w  .  ja  v  a  2 s.c  om
            }
        }
    }
    if (edited) {
        try {
            SerXMLHandling.saveXMLFile(new File(timerFile), getTimerDocument());
        } catch (IOException e) {
            Logger.getLogger("SerTimerHandler").error(e.getMessage());
        }
    }
}

From source file:service.SerTimerHandler.java

License:Open Source License

private static void editOldTimer(BOLocalTimer timer) {
    Node timerNode = timer.getTimerNode();
    timerNode.selectSingleNode("ac3ReplaceStereo").setText(Boolean.toString(timer.isAc3ReplaceStereo()));
    timerNode.selectSingleNode("description").setText(timer.getDescription());
    timerNode.selectSingleNode("dirPattern").setText(timer.getDirPattern());
    timerNode.selectSingleNode("filePattern").setText(timer.getFilePattern());
    timerNode.selectSingleNode("jgrabberStreamType").setText(timer.getJgrabberStreamType());
    timerNode.selectSingleNode("vlcStreamType").setText(timer.getVlcStreamType());
    timerNode.selectSingleNode("recordAllPids").setText(Boolean.toString(timer.isRecordAllPids()));
    timerNode.selectSingleNode("recordVtxt").setText(Boolean.toString(timer.isRecordVtxt()));
    timerNode.selectSingleNode("savePath").setText(timer.getSavePath());
    timerNode.selectSingleNode("shutdownAfterRecord").setText(Boolean.toString(timer.isShutdownAfterRecord()));
    timerNode.selectSingleNode("startPX")
            .setText(Boolean.toString(timer.getAfterRecordOptions().isUseProjectX()));
    timerNode.selectSingleNode("startMplex")
            .setText(Boolean.toString(timer.getAfterRecordOptions().isUseMplex()));
    timerNode.selectSingleNode("mplexOption")
            .setText(Integer.toString(timer.getAfterRecordOptions().getMplexOption()));
    timerNode.selectSingleNode("startTime").setText(timer.getMainTimer().getLongStartTime());
    timerNode.selectSingleNode("stopTime").setText(timer.getMainTimer().getLongStopTime());
    timerNode.selectSingleNode("stereoReplaceAc3").setText(Boolean.toString(timer.isStereoReplaceAc3()));
    timerNode.selectSingleNode("stopPlaybackAtRecord")
            .setText(Boolean.toString(timer.isStopPlaybackAtRecord()));
    timerNode.selectSingleNode("storeEpg").setText(Boolean.toString(timer.isStoreEPG()));
    timerNode.selectSingleNode("storeLogAfterRecord").setText(Boolean.toString(timer.isStoreLogAfterRecord()));
    timerNode.selectSingleNode("streamingEngine").setText(Integer.toString(timer.getStreamingEngine()));
    timerNode.selectSingleNode("udrecOptions").setText(timer.getUdrecOptions().toString());
    timerNode.selectSingleNode("udrecStreamType").setText(timer.getUdrecStreamType());
    timerNode.selectSingleNode("local").setText(Boolean.toString(timer.isLocal()));

    if (timer.isLocal()) {
        //          BOTimer
        Element mainTimer = (Element) timerNode.selectSingleNode("mainTimer");
        mainTimer.selectSingleNode("startMainTimer").setText(timer.getMainTimer().getLongStartTime());
        mainTimer.selectSingleNode("stopMainTimer").setText(timer.getMainTimer().getLongStopTime());
        mainTimer.selectSingleNode("announceMainTimer").setText(timer.getMainTimer().getAnnounceTime());
        mainTimer.selectSingleNode("channelId").setText(timer.getMainTimer().getChannelId());
        mainTimer.selectSingleNode("eventTypeId").setText(timer.getMainTimer().getEventTypeId());
        mainTimer.selectSingleNode("eventRepeatId").setText(timer.getMainTimer().getEventRepeatId());
        mainTimer.selectSingleNode("repeatCount").setText(timer.getMainTimer().getRepeatCount());
        mainTimer.selectSingleNode("senderName").setText(timer.getMainTimer().getSenderName());
    }//from  w w w .  j a  v a2 s .c  om
    try {
        SerXMLHandling.saveXMLFile(new File(timerFile), getTimerDocument());
    } catch (IOException e) {
        Logger.getLogger("SerTimerHandler").error(e.getMessage());
    }
}

From source file:service.SerTimerHandler.java

License:Open Source License

private static BOTimer buildMainTimer(Node mainTimerNode) {
    BOTimer botimer = new BOTimer();

    botimer.eventTypeId = mainTimerNode.selectSingleNode("eventTypeId").getText();
    botimer.eventRepeatId = mainTimerNode.selectSingleNode("eventRepeatId").getText();
    botimer.repeatCount = mainTimerNode.selectSingleNode("repeatCount").getText();
    botimer.channelId = mainTimerNode.selectSingleNode("channelId").getText();
    botimer.setSenderName(mainTimerNode.selectSingleNode("senderName").getText());
    botimer.announceTime = mainTimerNode.selectSingleNode("announceMainTimer").getText();

    long startMillis = Long.parseLong(mainTimerNode.selectSingleNode("startMainTimer").getText());
    GregorianCalendar startTime = new GregorianCalendar();
    startTime.setTimeInMillis(startMillis);

    long stopMillis = Long.parseLong(mainTimerNode.selectSingleNode("stopMainTimer").getText());
    GregorianCalendar stopTime = new GregorianCalendar();
    stopTime.setTimeInMillis(stopMillis);

    botimer.unformattedStartTime = startTime;
    botimer.unformattedStopTime = stopTime;

    return botimer;
}

From source file:service.SerTimerHandler.java

License:Open Source License

public static BOLocalTimer buildLocalTimer(Node timerNode, BOLocalTimer localTimer) {
    BOAfterRecordOptions afterRecordOptions = new BOAfterRecordOptions();
    afterRecordOptions.setUseProjectX(timerNode.selectSingleNode("startPX").getText().equals("true"));
    afterRecordOptions.setUseMplex(timerNode.selectSingleNode("startMplex").getText().equals("true"));
    afterRecordOptions.setMplexOption(Integer.parseInt(timerNode.selectSingleNode("mplexOption").getText()));
    localTimer.setAfterRecordOptions(afterRecordOptions);

    localTimer.setAc3ReplaceStereo(timerNode.selectSingleNode("ac3ReplaceStereo").getText().equals("true"));
    localTimer.setDescription(timerNode.selectSingleNode("description").getText());
    localTimer.setDirPattern(timerNode.selectSingleNode("dirPattern").getText());
    localTimer.setFilePattern(timerNode.selectSingleNode("filePattern").getText());
    localTimer.setJgrabberStreamType(timerNode.selectSingleNode("jgrabberStreamType").getText());
    localTimer.setVlcStreamType(timerNode.selectSingleNode("vlcStreamType").getText());
    localTimer.setRecordAllPids(timerNode.selectSingleNode("recordAllPids").getText().equals("true"));
    localTimer.setRecordVtxt(timerNode.selectSingleNode("recordVtxt").getText().equals("true"));
    localTimer.setSavePath(timerNode.selectSingleNode("savePath").getText());
    localTimer//w w w. j  av a  2s  .com
            .setShutdownAfterRecord(timerNode.selectSingleNode("shutdownAfterRecord").getText().equals("true"));
    localTimer.setStartTime(Long.parseLong(timerNode.selectSingleNode("startTime").getText()));
    localTimer.setStopTime(Long.parseLong(timerNode.selectSingleNode("stopTime").getText()));
    localTimer.setStereoReplaceAc3(timerNode.selectSingleNode("stereoReplaceAc3").getText().equals("true"));
    localTimer.setStopPlaybackAtRecord(
            timerNode.selectSingleNode("stopPlaybackAtRecord").getText().equals("true"));
    localTimer.setStoreEPG(timerNode.selectSingleNode("storeEpg").getText().equals("true"));
    localTimer
            .setStoreLogAfterRecord(timerNode.selectSingleNode("storeLogAfterRecord").getText().equals("true"));
    localTimer.setStreamingEngine(Integer.parseInt(timerNode.selectSingleNode("streamingEngine").getText()));
    localTimer.setUdrecOptions(
            new BOUdrecOptions(timerNode.selectSingleNode("udrecOptions").getText().split(" ")));
    localTimer.setUdrecStreamType(timerNode.selectSingleNode("udrecStreamType").getText());
    localTimer.setLocal(timerNode.selectSingleNode("local").getText().equals("true"));
    localTimer.setTimerNode(timerNode);
    return localTimer;
}

From source file:service.XML.SerXPathHandling.java

License:Open Source License

public static Node getFirstDescendentNode(Node node) {
    return node.selectSingleNode("descendant::node()[1]");
}

From source file:service.XML.SerXPathHandling.java

License:Open Source License

public static Node getLastDescendentNode(Node node) {
    return node.selectSingleNode("descendant::node()[last]");
}

From source file:service.XML.SerXPathHandling.java

License:Open Source License

public static Node getFirstFollowingNode(Node node) {
    return node.selectSingleNode("following-sibling::node()[1]/*");
}

From source file:service.XML.SerXPathHandling.java

License:Open Source License

public static Node getFirstPrecedingNode(Node node) {
    return node.selectSingleNode("preceding-sibling::node()[1]/*");
}