Examples of org.apache.felix.metatype.MetaDataReader

org.apache.felix.metatype.MetaDataReader
The MetaDataReader provides two methods to read meta type documents according to the MetaType schema (105.8 XML Schema). The {@link #parse(URL)} and {@link #parse(InputStream)} methods may be calledmultiple times to parse such documents.
While reading the XML document java objects are created to hold the data. These objects are created by factory methods. Users of this may extend this class by overwriting the the factory methods to create specialized versions. One notable use of this is the extension of the {@link AD} class to overwritethe {@link AD#validate(String)} method. In this case, the {@link #createAD()}method would be overwritten to return an instance of the extending class.
This class is not thread safe. Using instances of this class in multiple threads concurrently is not supported and will fail. @author Felix Project Team

    }




    private MetaTypeInformationImpl fromDocuments( Bundle bundle )
    {
        MetaDataReader reader = new MetaDataReader();


        // get the descriptors, return nothing if none
        Enumeration docs = bundle.findEntries( METATYPE_DOCUMENTS_LOCATION, "*.xml", false );
        if ( docs == null || !docs.hasMoreElements() )
        {
            return null;
        }


        MetaTypeInformationImpl cmti = new MetaTypeInformationImpl( bundle );
        while ( docs.hasMoreElements() )
        {
            URL doc = ( URL ) docs.nextElement();
            try
            {
                MetaData metaData = reader.parse( doc );
                if ( metaData != null )
                {
                    cmti.addMetaData( metaData );
                }
            }

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        synchronized (LOCK) {
            if (m_session == null) {
                throw new ResourceProcessorException(ResourceProcessorException.CODE_OTHER_ERROR, "Can not process resource without a Deployment Session");
            }
        }
        MetaDataReader reader = new MetaDataReader();
        MetaData data = null;
        try {
            data = reader.parse(stream);
        }
        catch (IOException e) {
            throw new ResourceProcessorException(ResourceProcessorException.CODE_OTHER_ERROR, "Unable to process resource.", e);
        }
        if (data == null) {

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            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                String name = entry.getName();
                if (name.startsWith("OSGI-INF/metatype/")) {
                    if (name.endsWith(XML_SUFFIX)) {
                        MetaDataReader reader = new MetaDataReader();
                        InputStream in = jarFile.getInputStream(entry);
                        if (in != null) {
                            String text = IOHelpers.readFully(in);
                            MetaData metadata = reader.parse(new ByteArrayInputStream(text.getBytes()));
                            if (metadata != null) {
                                String pid = name.substring(0, name.length() - XML_SUFFIX.length());
                                xmlMap.put(pid, text);
                                metadataMap.put(pid, metadata);
                            }

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            metadata.addDesignate(designate);
            OCD ocd = new OCD();
            ocd.setId(pid);
            metadata.addObjectClassDefinition(ocd);
        } else {
            MetaDataReader reader = new MetaDataReader();
            metadata = reader.parse(new FileInputStream(xmlFile));
        }
        // lets try get the i18n properties
        Properties properties = new Properties();
        if (propertiesFile.exists() && propertiesFile.isFile()) {
            properties.load(new FileInputStream(propertiesFile));

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        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            String name = entry.getName();
            if (name.startsWith("OSGI-INF/metatype/")) {
                if (name.endsWith(XML_SUFFIX)) {
                    MetaDataReader reader = new MetaDataReader();
                    InputStream in = jarFile.getInputStream(entry);
                    if (in != null) {
                        MetaData metadata = reader.parse(in);
                        if (metadata != null) {
                            String pid = name.substring(0, name.length() - XML_SUFFIX.length());
                            metadataMap.put(pid, metadata);
                        }
                    }

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    }




    private MetaTypeInformationImpl fromDocuments( Bundle bundle )
    {
        MetaDataReader reader = new MetaDataReader();


        // get the descriptors, return nothing if none
        Enumeration docs = bundle.findEntries( METATYPE_DOCUMENTS_LOCATION, "*.xml", false );
        if ( docs == null || !docs.hasMoreElements() )
        {
            return null;
        }


        MetaTypeInformationImpl cmti = new MetaTypeInformationImpl( bundle );
        while ( docs.hasMoreElements() )
        {
            URL doc = ( URL ) docs.nextElement();
            try
            {
                MetaData metaData = reader.parse( doc );
                if ( metaData != null )
                {
                    cmti.addMetaData( metaData );
                }
            }

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