Package org.apache.commons.jelly

Examples of org.apache.commons.jelly.TagLibrary

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    public TestTagLibraryResolver(String testName) {
        super(testName);
    }

    public void testResolver() throws Exception {
        TagLibrary library = resolver.resolveTagLibrary("jelly:test-library" );
       
        assertTrue( "Found a tag library", library != null );
        assertEquals( "Tag library is of the correct type", "org.apache.commons.jelly.test.impl.DummyTagLibrary", library.getClass().getName() );
    }
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        String localName,
        Attributes list)
        throws SAXException {
        try {
            // use the URI to load a taglib
            TagLibrary taglib = context.getTagLibrary(namespaceURI);
            if (taglib == null) {
                if (namespaceURI != null && namespaceURI.startsWith("jelly:")) {
                    String uri = namespaceURI.substring(6);
                    // try to find the class on the claspath
                    try {
                        Class taglibClass = getClassLoader().loadClass(uri);
                        taglib = (TagLibrary) taglibClass.newInstance();
                        context.registerTagLibrary(namespaceURI, taglib);
                    }
                    catch (ClassNotFoundException e) {
                        log.warn("Could not load class: " + uri + " so disabling the taglib");
                    }
                }
            }
            if (taglib != null) {
                TagScript script = taglib.createTagScript(localName, list);
                if ( script != null ) {
                    // now iterate through through the expressions
                    int size = list.getLength();
                    for (int i = 0; i < size; i++) {
                        String attributeName = list.getLocalName(i);
                        String attributeValue = list.getValue(i);
                        Expression expression =
                            taglib.createExpression(
                                getExpressionFactory(),
                                localName,
                                attributeName,
                                attributeValue);
                        if (expression == null) {
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     * Attempts to find a dynamically created tag that has been created since this
     * script was compiled
     */   
    protected Tag findDynamicTag(JellyContext context, StaticTag tag) throws Exception {
        // lets see if there's a tag library for this URI...
        TagLibrary taglib = context.getTagLibrary( tag.getUri() );
        if ( taglib instanceof DynamicTagLibrary ) {
            DynamicTagLibrary dynaLib = (DynamicTagLibrary) taglib;
            Tag newTag = dynaLib.createTag( tag.getLocalName() );
            if ( newTag != null ) {
                newTag.setParent( tag.getParent() );
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     * Attempts to find a dynamically created tag that has been created since this
     * script was compiled
     */
    protected Tag findDynamicTag(JellyContext context, StaticTag tag) throws JellyException {
        // lets see if there's a tag library for this URI...
        TagLibrary taglib = context.getTagLibrary( tag.getUri() );
        if ( taglib != null ) {
            Tag newTag = taglib.createTag( tag.getLocalName(), getSaxAttributes() );
            if ( newTag != null ) {
                newTag.setParent( tag.getParent() );
                newTag.setBody( tag.getBody() );
                return newTag;
            }
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        String localName,
        Attributes list)
        throws SAXException {
        try {
            // use the URI to load a taglib
            TagLibrary taglib = context.getTagLibrary(namespaceURI);
            if (taglib == null) {
                if (namespaceURI != null && namespaceURI.startsWith("jelly:")) {
                    String uri = namespaceURI.substring(6);
                    // try to find the class on the claspath
                    try {
                        Class taglibClass = getClassLoader().loadClass(uri);
                        taglib = (TagLibrary) taglibClass.newInstance();
                        context.registerTagLibrary(namespaceURI, taglib);
                    }
                    catch (ClassNotFoundException e) {
                        throw createSAXException("Could not load class: " + uri + " so taglib instantiation failed", e);
                    }
                    catch (IllegalAccessException e) {
                        throw createSAXException("Constructor for class is not accessible: " + uri + " so taglib instantiation failed",e);
                    }
                    catch (InstantiationException e) {
                        throw createSAXException("Class could not be instantiated: " + uri + " so taglib instantiation failed",e);
                    }
                    catch (ClassCastException e) {
                        throw createSAXException("Class is not a TagLibrary: " + uri + " so taglib instantiation failed",e);
                    }
                }
            }
            if (taglib != null) {
                TagScript script = taglib.createTagScript(localName, list);
                if ( script != null ) {
                    configureTagScript(script);

                    // clone the attributes to keep them around after this parse
                    script.setSaxAttributes(new AttributesImpl(list));

                    // now iterate through through the expressions
                    int size = list.getLength();
                    for (int i = 0; i < size; i++) {
                        String attributeName = list.getLocalName(i);
                        String attributeValue = list.getValue(i);
                        Expression expression =
                            taglib.createExpression(
                                getExpressionFactory(),
                                script,
                                attributeName,
                                attributeValue);
                        if (expression == null) {
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     * Attempts to find a dynamically created tag that has been created since this
     * script was compiled
     */
    protected Tag findDynamicTag(JellyContext context, StaticTag tag) throws JellyException {
        // lets see if there's a tag library for this URI...
        TagLibrary taglib = context.getTagLibrary( tag.getUri() );
        if ( taglib != null ) {
            Tag newTag = taglib.createTag( tag.getLocalName(), getSaxAttributes() );
            if ( newTag != null ) {
                newTag.setParent( tag.getParent() );
                newTag.setBody( tag.getBody() );
                return newTag;
            }
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        String localName,
        Attributes list)
        throws SAXException {
        try {
            // use the URI to load a taglib
            TagLibrary taglib = context.getTagLibrary(namespaceURI);
            if (taglib == null) {
                if (namespaceURI != null && namespaceURI.startsWith("jelly:")) {
                    String uri = namespaceURI.substring(6);
                    // try to find the class on the claspath
                    try {
                        Class taglibClass = getClassLoader().loadClass(uri);
                        taglib = (TagLibrary) taglibClass.newInstance();
                        context.registerTagLibrary(namespaceURI, taglib);
                    }
                    catch (ClassNotFoundException e) {
                        throw createSAXException("Could not load class: " + uri + " so taglib instantiation failed", e);
                    }
                    catch (IllegalAccessException e) {
                        throw createSAXException("Constructor for class is not accessible: " + uri + " so taglib instantiation failed",e);
                    }
                    catch (InstantiationException e) {
                        throw createSAXException("Class could not be instantiated: " + uri + " so taglib instantiation failed",e);
                    }
                    catch (ClassCastException e) {
                        throw createSAXException("Class is not a TagLibrary: " + uri + " so taglib instantiation failed",e);
                    }
                }
            }
            if (taglib != null) {
                TagScript script = taglib.createTagScript(localName, list);
                if ( script != null ) {
                    configureTagScript(script);

                    // clone the attributes to keep them around after this parse
                    script.setSaxAttributes(new AttributesImpl(list));

                    // now iterate through through the expressions
                    int size = list.getLength();
                    for (int i = 0; i < size; i++) {
                        String attributeName = list.getLocalName(i);
                        String attributeValue = list.getValue(i);
                        Expression expression =
                            taglib.createExpression(
                                getExpressionFactory(),
                                script,
                                attributeName,
                                attributeValue);
                        if (expression == null) {
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     * Attempts to find a dynamically created tag that has been created since this
     * script was compiled
     */
    protected Tag findDynamicTag(JellyContext context, StaticTag tag) throws JellyException {
        // lets see if there's a tag library for this URI...
        TagLibrary taglib = context.getTagLibrary( tag.getUri() );
        if ( taglib != null ) {
            Tag newTag = taglib.createTag( tag.getLocalName(), getSaxAttributes() );
            if ( newTag != null ) {
                newTag.setParent( tag.getParent() );
                newTag.setBody( tag.getBody() );
                return newTag;
            }
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     * Attempts to find a dynamically created tag that has been created since this
     * script was compiled
     */   
    protected Tag findDynamicTag(JellyContext context, StaticTag tag) throws Exception {
        // lets see if there's a tag library for this URI...
        TagLibrary taglib = context.getTagLibrary( tag.getUri() );
        if ( taglib instanceof DynamicTagLibrary ) {
            DynamicTagLibrary dynaLib = (DynamicTagLibrary) taglib;
            Tag newTag = dynaLib.createTag( tag.getLocalName() );
            if ( newTag != null ) {
                newTag.setParent( tag.getParent() );
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        String localName,
        Attributes list)
        throws SAXException {
        try {
            // use the URI to load a taglib
            TagLibrary taglib = context.getTagLibrary(namespaceURI);
            if (taglib == null) {
                if (namespaceURI != null && namespaceURI.startsWith("jelly:")) {
                    String uri = namespaceURI.substring(6);
                    // try to find the class on the claspath
                    try {
                        Class taglibClass = getClassLoader().loadClass(uri);
                        taglib = (TagLibrary) taglibClass.newInstance();
                        context.registerTagLibrary(namespaceURI, taglib);
                    }
                    catch (ClassNotFoundException e) {
                        log.warn("Could not load class: " + uri + " so disabling the taglib");
                    }
                }
            }
            if (taglib != null) {
                TagScript script = taglib.createTagScript(localName, list);
                if ( script != null ) {
                    // now iterate through through the expressions
                    int size = list.getLength();
                    for (int i = 0; i < size; i++) {
                        String attributeName = list.getLocalName(i);
                        String attributeValue = list.getValue(i);
                        Expression expression =
                            taglib.createExpression(
                                getExpressionFactory(),
                                localName,
                                attributeName,
                                attributeValue);
                        if (expression == null) {
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Related Classes of org.apache.commons.jelly.TagLibrary

  • org.apache.commons.jelly.expression.ConstantExpression
  • org.apache.commons.jelly.expression.ExpressionFactory
  • org.apache.commons.jelly.impl.StaticTagScript
  • org.apache.commons.jelly.impl.TagFactory
  • org.apache.commons.jelly.impl.TagScript
  • org.apache.commons.jelly.impl.TestTagLibraryResolver
  • org.apache.commons.jelly.parser.XMLParser
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