1 | /* |
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 | * contributor license agreements. See the NOTICE file distributed with |
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4 | * this work for additional information regarding copyright ownership. |
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 | * (the "License"); you may not use this file except in compliance with |
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7 | * the License. You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | */ |
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17 | package examples; |
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18 | |
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19 | |
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20 | import javax.servlet.jsp.*; |
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21 | |
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22 | import java.io.IOException; |
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23 | |
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24 | /** |
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25 | * Log the contents of the body. Could be used to handle errors etc. |
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26 | */ |
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27 | public class LogTag |
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28 | extends ExampleTagBase |
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29 | { |
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30 | boolean toBrowser = false; |
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31 | |
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32 | public void setToBrowser(String value) { |
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33 | if (value == null) |
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34 | toBrowser = false; |
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35 | else if (value.equalsIgnoreCase("true")) |
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36 | toBrowser = true; |
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37 | else |
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38 | toBrowser = false; |
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39 | } |
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40 | |
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41 | public int doStartTag() throws JspException { |
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42 | return EVAL_BODY_BUFFERED; |
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43 | } |
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44 | |
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45 | public int doAfterBody() throws JspException { |
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46 | try { |
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47 | String s = bodyOut.getString(); |
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48 | System.err.println(s); |
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49 | if (toBrowser) |
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50 | bodyOut.writeOut(bodyOut.getEnclosingWriter()); |
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51 | return SKIP_BODY; |
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52 | } catch (IOException ex) { |
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53 | throw new JspTagException(ex.toString()); |
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54 | } |
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55 | } |
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56 | } |
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57 | |
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58 | |
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59 | |
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60 | |
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