/* * Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package freemarker.ext.jsp.taglibmembers; import java.io.IOException; import javax.servlet.jsp.JspException; import javax.servlet.jsp.tagext.BodyTag; import javax.servlet.jsp.tagext.BodyTagSupport; import javax.servlet.jsp.tagext.IterationTag; import javax.servlet.jsp.tagext.Tag; import javax.servlet.jsp.tagext.TryCatchFinally; /** */ public class TestTag extends BodyTagSupport implements TryCatchFinally { private boolean throwException; private int repeatCount; public void setRepeatCount(int repeatCount) { this.repeatCount = repeatCount; } public void setThrowException(boolean throwException) { this.throwException = throwException; } @Override public int doStartTag() throws JspException { try { pageContext.getOut().println("doStartTag() called here"); if (throwException) { throw new JspException("throwException==true"); } return repeatCount == 0 ? Tag.SKIP_BODY : BodyTag.EVAL_BODY_BUFFERED; } catch (IOException e) { throw new JspException(e); } } @Override public int doAfterBody() throws JspException { try { getPreviousOut().println("doAfterBody() called here"); getBodyContent().writeOut(getPreviousOut()); getBodyContent().clear(); return --repeatCount == 0 ? Tag.SKIP_BODY : IterationTag.EVAL_BODY_AGAIN; } catch (IOException e) { throw new JspException(e); } } @Override public int doEndTag() throws JspException { try { pageContext.getOut().println("doEndTag() called here"); return Tag.EVAL_PAGE; } catch (IOException e) { throw new JspException(e); } } public void doCatch(Throwable t) throws Throwable { pageContext.getOut().println("doCatch() called here with " + t.getClass() + ": " + getFirstLine(t.getMessage())); } public void doFinally() { try { pageContext.getOut().println("doFinally() called here"); } catch (IOException e) { throw new Error(); // Shouldn't happen } } private static final String getFirstLine(String s) { int brIdx = s.indexOf('\n'); if (brIdx == -1) brIdx = s.indexOf('\r'); return brIdx == -1 ? s : s.substring(0, brIdx); } }