Examples of org.apache.cocoon.taglib.IterationTag

org.apache.cocoon.taglib.IterationTag
The IterationTag interface extends Tag by defining one additional method that controls the reevaluation of its body.
A tag handler that implements IterationTag is treated as one that implements Tag regarding the doStartTag() and doEndTag() methods. IterationTag provides a new method: doAfterBody().
The doAfterBody() method is invoked after every body evaluation to control whether the body will be reevaluated or not. If doAfterBody() returns IterationTag.EVAL_BODY_AGAIN, then the body will be reevaluated. If doAfterBody() returns Tag.SKIP_BODY, then the body will be skipped and doEndTag() will be evaluated instead. @author Volker Schmitt @version CVS $Id: IterationTag.java,v 1.3 2004/03/05 13:02:24 bdelacretaz Exp $

        if (tag != null) {
            ServiceSelector tagSelector = (ServiceSelector)tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    //start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);
                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                    } catch (ServiceException e) {
                        throw new SAXException("lookup XMLDeserializer failed", e);
                    }
                    finally {

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        if (tag != null) {
            ServiceSelector tagSelector = (ServiceSelector)tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    //start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);
                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                    } catch (ServiceException e) {
                        throw new SAXException("lookup XMLDeserializer failed", e);
                    }
                    finally {

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        if (tag != null) {
            ComponentSelector tagSelector = (ComponentSelector)tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    // Start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);


                        // BodyTag Support
                        XMLConsumer backup = this.currentConsumer;
                        if (tag instanceof BodyTag) {
                            SaxBuffer content = new SaxBuffer();
                            this.currentConsumer = content;
                            ((BodyTag)tag).setBodyContent(new BodyContent(content, backup));
                            ((BodyTag)tag).doInitBody();
                        }


                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                        // BodyTag Support
                        if (tag instanceof BodyTag) {
                            this.currentConsumer = backup;
                        }

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        if (tag != null) {
            ComponentSelector tagSelector = (ComponentSelector)tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    // Start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);


                        // BodyTag Support
                        XMLConsumer backup = this.currentConsumer;
                        if (tag instanceof BodyTag) {
                            SaxBuffer content = new SaxBuffer();
                            this.currentConsumer = content;
                            ((BodyTag)tag).setBodyContent(new BodyContent(content, backup));
                            ((BodyTag)tag).doInitBody();
                        }


                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                        // BodyTag Support
                        if (tag instanceof BodyTag) {
                            this.currentConsumer = backup;
                        }

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        if (tag != null) {
            ComponentSelector tagSelector = (ComponentSelector) tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    //start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);
                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                    } catch (ComponentException e) {
                        throw new SAXException("lookup XMLDeserializer failed", e);
                    }
                    finally {

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        if (tag != null) {
            ComponentSelector tagSelector = (ComponentSelector) tagSelectorStack.pop();
            try {
                if (saxFragment != null) {
                    //start Iteration
                    IterationTag iterTag = (IterationTag) tag;
                    XMLDeserializer xmlDeserializer = null;
                    try {
                        xmlDeserializer = (XMLDeserializer) manager.lookup(XMLDeserializer.ROLE);
                        xmlDeserializer.setConsumer(this);
                        do {
                            xmlDeserializer.deserialize(saxFragment);
                        } while (iterTag.doAfterBody() != Tag.SKIP_BODY);


                    } catch (ComponentException e) {
                        throw new SAXException("lookup XMLDeserializer failed", e);
                    }
                    finally {

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org.apache.cocoon.transformation.TagTransformer

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