Examples of org.apache.cocoon.components.source.SourceInspector

Package org.apache.cocoon.components.source

Examples of org.apache.cocoon.components.source.SourceInspector

org.apache.cocoon.components.source.SourceInspector
A source inspector helps to get properties from sources @author Stephan Michels @version CVS $Id: SourceInspector.java,v 1.2 2003/03/16 17:49:07 vgritsenko Exp $

        final ClassLoader classloader = Thread.currentThread().getContextClassLoader();
        final Configuration[] children = m_configuration.getChildren();
        
        for (int i = 0; i < children.length; i++) {
            String className = children[i].getAttribute("class","");
            SourceInspector inspector;
            try {
                final Class inspectorClass = classloader.loadClass(className);
                inspector = (SourceInspector) inspectorClass.newInstance();
            } catch (InstantiationException ie) {
                throw new ConfigurationException(

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    public SourceProperty getSourceProperty(Source source, String namespace, String name) 
            throws SourceException {


        final Iterator inspectors = m_inspectors.iterator();
        while (inspectors.hasNext()) {
            SourceInspector inspector = (SourceInspector) inspectors.next();
            SourceProperty property = inspector.getSourceProperty(source,namespace,name);
            if (property != null) {
                return property;
            }
        }
        return null;

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    /**
     * Aggregate all properties of all registered inspectors.
     */
    public SourceProperty[] getSourceProperties(Source source) throws SourceException {
        final Set result = new HashSet();
        SourceInspector inspector;
        SourceProperty[] properties;
        final Iterator inspectors = m_inspectors.iterator();
        while (inspectors.hasNext()) {
            inspector = (SourceInspector) inspectors.next();
            properties = inspector.getSourceProperties(source);
            if (properties != null) {
                result.addAll(Arrays.asList(properties));
            }
        }
        return (SourceProperty[]) result.toArray(new SourceProperty[result.size()]);

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    /**
     * Check if there is an inspector that handles properties of 
     * the given type.
     */
    public boolean handlesProperty(String namespace, String name) {
        SourceInspector inspector;
        final Iterator inspectors = m_inspectors.iterator();
        while(inspectors.hasNext()) {
            inspector = (SourceInspector) inspectors.next();
            if (inspector.handlesProperty(namespace,name)) {
                return true;
            }
        }
        return false;
    }

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    /**
     * Loops over the registered descriptors and delegates the call.
     */
    public void removeSourceProperty(Source source, String ns, String name) throws SourceException {
        SourceInspector inspector;
        final Iterator inspectors = m_inspectors.iterator();
        while (inspectors.hasNext()) {
            inspector = (SourceInspector) inspectors.next();
            if (inspector instanceof SourceDescriptor) {
                ((SourceDescriptor) inspector).removeSourceProperty(source,ns,name);

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    /**
     * Loops over the registered descriptors and calls delegates the call.
     */
    public void setSourceProperty(Source source, SourceProperty property) throws SourceException {
        SourceInspector inspector;
        final Iterator inspectors = m_inspectors.iterator();
        while (inspectors.hasNext()) {
            inspector = (SourceInspector) inspectors.next();
            if (inspector instanceof SourceDescriptor) {
                ((SourceDescriptor) inspector).setSourceProperty(source,property);

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    /**
     * Returns an aggregate validity describing the validity of all the properties.
     */
    public SourceValidity getValidity(Source source) {
        AggregatedValidity validity = new AggregatedValidity();
        SourceInspector inspector;
        final Iterator inspectors = m_inspectors.iterator();
        while (inspectors.hasNext()) {
            inspector = (SourceInspector) inspectors.next();
            SourceValidity sv = inspector.getValidity(source);
            if (sv == null) {
                return null;
            }
            validity.add(sv);
        }

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        attributes.addAttribute("", PROPERTY_TYPE_ATTR_NAME,
                                PROPERTY_TYPE_ATTR_NAME, "CDATA", "computed");
        this.contentHandler.startElement(SOURCE_NS, PROPERTIES_NODE_NAME,
                                         PROPERTIES_NODE_QNAME, attributes);


        SourceInspector inspector = null;


        try {
            inspector = (SourceInspector) this.manager.lookup(SourceInspector.ROLE);


            SourceProperty[] properties = inspector.getSourceProperties(source);
            IncludeXMLConsumer consumer = new IncludeXMLConsumer(this.contentHandler);


            for (int i = 0; i<properties.length; i++) {
                this.contentHandler.startPrefixMapping("", properties[i].getNamespace());
                properties[i].toSAX(consumer);

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Related Classes of org.apache.cocoon.components.source.SourceInspector

org.apache.cocoon.components.source.impl.SourceDescriptorManager

org.apache.cocoon.components.source.impl.SourceInspectorManager

org.apache.cocoon.generation.SourceDescriptionGenerator

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