Java DataModelSerializer类代码示例

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
private static void serializeElements(XPathNodeset nodeset, OutputStream output) throws IOException {
    KXmlSerializer serializer = new KXmlSerializer();

    try {
        serializer.setOutput(output, "UTF-8");
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

    DataModelSerializer s = new DataModelSerializer(serializer);

    DataInstance instance = nodeset.getInstance();
    Vector<TreeReference> refs = nodeset.getReferences();
    for (TreeReference ref : refs) {
        AbstractTreeElement treeElement = instance.resolveReference(ref);
        s.serialize(treeElement);
    }
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
public static void printInstance(String instanceRef) {
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataModelSerializer s = new DataModelSerializer(bos, new CommCareInstanceInitializer(CommCareStatic.appStringCache));

        s.serialize(new ExternalDataInstance(instanceRef, "instance"), null);

        System.out.println(new String(bos.toByteArray()));
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
/**
 * The recovery process comes in three phases. First, reporting to the server all of the cases that
 * currently live on the phone (so the server can compare to its current state).
 *
 * Next, the full restore data is retrieved from the server and stored locally to ensure that the db
 * can be recovered. Then local storage is cleared of data, and
 */
private void startRecovery() {
    //Make a streaming message (the db is likely be too big to store in memory)
    TransportMessage message = new StreamingHTTPMessage(this.getSubmitUrl()) {
        public void _writeBody(OutputStream os) throws IOException {
            //TODO: This is just the casedb, we actually want
            DataModelSerializer s = new DataModelSerializer(os, new CommCareInstanceInitializer(CommCareStatic.appStringCache));
            s.serialize(new ExternalDataInstance("jr://instance/casedb/report" + "/" + syncToken + "/" + stateHash,"casedb"), null);

        }
    };
    listener.statusUpdate(CommCareOTARestoreListener.RESTORE_RECOVER_SEND);
    try {
        message = TransportService.sendBlocking(message);
    } catch (TransportException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    if(message.isSuccess()) {
        //The server is now informed of our current state, time for the tricky part,
        this.recoveryMode  = true;
        initURI(null, null);
        //TODO: Set a flag somewhere (sync token perhaps) that we're in recovery mode
        this.startOtaProcess();
    } else {
        listener.promptRetry("restore.recover.fail");
    }
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
public void serialize() throws IOException {
    s.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
    s.startDocument("UTF-8", null);
    s.startTag(XMLNS, "mockup");

    if(mockup.getDate() != null || mockup.getInstances() != null) {
        s.startTag(XMLNS, "context");
        if(mockup.getDate() != null){
            s.startTag(XMLNS, "date");
            s.text(DateUtils.formatDate(mockup.getDate(), DateUtils.FORMAT_ISO8601));
            s.endTag(XMLNS, "date");
        }

        Hashtable<String, FormInstance> instances = mockup.getInstances();
        for(Enumeration en = instances.keys() ; en.hasMoreElements() ;) {
            String key = (String)en.nextElement();
            DataInstance theInstance = instances.get(key);

            s.startTag(XMLNS, "instance");

            s.attribute(null, "src", key);

            DataModelSerializer dms = new DataModelSerializer(s);
            dms.serialize(theInstance, null);

            s.endTag(XMLNS, "instance");
        }
        s.endTag(XMLNS, "context");
    }


    s.endTag(XMLNS, "mockup");
    s.endDocument();
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
private void printExternalInstance(PrintStream out, String instanceRef) {
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataModelSerializer s = new DataModelSerializer(bos, mIIF);

        s.serialize(new ExternalDataInstance(instanceRef, "instance"), null);

        out.println(XmlUtil.getPrettyXml(bos.toByteArray()));
    } catch (IOException e) {
        e.printStackTrace();
        out.println("Error Serializing XForm Data! " + e.getMessage());
    }
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
private static byte[] serializeCaseInstanceFromSandbox(MockUserDataSandbox sandbox) {
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataModelSerializer s = new DataModelSerializer(bos, new TestInstanceInitializer(sandbox));

        s.serialize(new ExternalDataInstance(CaseTestUtils.CASE_INSTANCE, CaseInstanceTreeElement.MODEL_NAME), null);

        return bos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage());
    }
}
 

import org.javarosa.model.xform.DataModelSerializer; //导入依赖的package包/类
/**
 * Return a cursor to the fixture associated with this id
 */
private Cursor getFixtureForId(String instanceId) {
    MatrixCursor retCursor = new MatrixCursor(new String[]{FixtureDataAPI.MetadataColumns._ID, FixtureDataAPI.MetadataColumns.FIXTURE_ID, "content"});

    IStorageUtilityIndexed<FormInstance> userFixtureStorage = CommCareApplication.instance().getUserStorage("fixture", FormInstance.class);

    for (IStorageIterator<FormInstance> userFixtures = userFixtureStorage.iterate(); userFixtures.hasMore(); ) {

        try {
            FormInstance fi = userFixtures.nextRecord();

            String currentInstanceId = fi.getInstanceId();

            if (instanceId.equals(currentInstanceId)) {
                ByteArrayOutputStream bos = new ByteArrayOutputStream();

                DataModelSerializer s = new DataModelSerializer(bos, new AndroidInstanceInitializer(null));

                s.serialize(fi, fi.getRoot().getRef());

                String dump = new String(bos.toByteArray());

                retCursor.addRow(new Object[]{fi.getID(), fi.getInstanceId(), dump});
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return retCursor;
}