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ConstantsTag |
|
| Your trail: | |
Difference between version 5 and version 4:
| At line 156 added 75 lines. |
| {[Java2HtmlPlugin |
| package org.appfuse.webapp.taglib; |
| import java.lang.reflect.AccessibleObject; |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.servlet.jsp.tagext.TagData; |
| import javax.servlet.jsp.tagext.TagExtraInfo; |
| import javax.servlet.jsp.tagext.VariableInfo; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.appfuse.common.Constants; |
| /** |
| * Implementation of <code>TagExtraInfo</code> for the <b>constants</b> |
| * tag, identifying the scripting object(s) to be made visible. |
| * |
| * @author Matt Raible |
| * @version $Revision: 1.1 $ $Date: 2003/12/31 13:59:32 $ |
| */ |
| public class ConstantsTei extends TagExtraInfo { |
| private Log log = LogFactory.getLog(ConstantsTei.class); |
| /** |
| * Return information about the scripting variables to be created. |
| */ |
| public VariableInfo[] getVariableInfo(TagData data) { |
| // loop through and expose all attributes |
| List vars = new ArrayList(); |
| try { |
| String clazz = data.getAttributeString("className"); |
| if (clazz == null) { |
| clazz = Constants.class.getName(); |
| } |
| Class c = Class.forName(clazz); |
| // if no var specified, get all |
| if (data.getAttributeString("var") == null) { |
| Field[] fields = c.getDeclaredFields(); |
| AccessibleObject.setAccessible(fields, true); |
| for (int i = 0; i < fields.length; i++) { |
| vars.add(new VariableInfo(fields[i].getName(), |
| "java.lang.String", true, |
| VariableInfo.AT_END)); |
| } |
| } else { |
| String var = data.getAttributeString("var"); |
| vars.add(new VariableInfo(c.getField(var).getName(), |
| "java.lang.String", true, |
| VariableInfo.AT_END)); |
| } |
| } catch (Exception cnf) { |
| log.error(cnf.getMessage()); |
| cnf.printStackTrace(); |
| } |
| return (VariableInfo[]) vars.toArray(new VariableInfo[] { }); |
| } |
| } |
| }] |
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