Example usage for javax.servlet.jsp.tagext TryCatchFinally doCatch

Introduction

In this page you can find the example usage for javax.servlet.jsp.tagext TryCatchFinally doCatch.

Prototype

void doCatch(Throwable t) throws Throwable;

Source Link

Document

Invoked if a Throwable occurs while evaluating the BODY inside a tag or in any of the following methods: Tag.doStartTag(), Tag.doEndTag(), IterationTag.doAfterBody() and BodyTag.doInitBody().

Usage

From source file:org.apache.cactus.extension.jsp.JspTagLifecycle.java

/**
 * Invokes the tag with the provided interceptor. The tag should have been
 * populated with its properties before calling this method. The tag is not
 * released after the tag's lifecycle is over.
 * // ww  w  .  j a va  2  s .  c om
 * @throws JspException If the tag throws an exception
 * @throws IOException If an error occurs when reading or writing the body
 *         content
 */
public void invoke() throws JspException, IOException {
    if (this.tag instanceof TryCatchFinally) {
        TryCatchFinally tryCatchFinally = (TryCatchFinally) this.tag;
        try {
            invokeInternal();
        } catch (Throwable t1) {
            try {
                tryCatchFinally.doCatch(t1);
            } catch (Throwable t2) {
                throw new JspException(t2.getMessage());
            }
        } finally {
            tryCatchFinally.doFinally();
        }
    } else {
        invokeInternal();
    }
}

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From source file:org.seasar.mayaa.impl.engine.processor.JspProcessor.java

public void doCatchProcess(Throwable t) {
    if (t == null) {
        throw new IllegalArgumentException();
    }/*from   w  w  w . j  a  v a  2 s. c o  m*/
    Tag tag = getLoadedTag();
    if (tag instanceof TryCatchFinally) {
        TryCatchFinally tryCatch = (TryCatchFinally) tag;
        try {
            tryCatch.doCatch(t);
        } catch (RuntimeException e) {
            throw e;
        } catch (Throwable e) {
            throw new RuntimeException(e);
        }
    } else {
        throw new IllegalStateException();
    }
}

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