Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jelly.tags.core.GetStaticTag |
83% |
97% |

1 |  |
     /*
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      * Copyright 2002,2004 The Apache Software Foundation.
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      *
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      * Licensed under the Apache License, Version 2.0 (the "License");
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      * you may not use this file except in compliance with the License.
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      * You may obtain a copy of the License at
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      *
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      *      http://www.apache.org/licenses/LICENSE-2.0
9 |  |
      *
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      * Unless required by applicable law or agreed to in writing, software
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      * distributed under the License is distributed on an "AS IS" BASIS,
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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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      * See the License for the specific language governing permissions and
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      * limitations under the License.
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      */
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     package org.apache.commons.jelly.tags.core;
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     import org.apache.commons.jelly.JellyContext;
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     import org.apache.commons.jelly.JellyTagException;
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     import org.apache.commons.jelly.MissingAttributeException;
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     import org.apache.commons.jelly.TagSupport;
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     import org.apache.commons.jelly.XMLOutput;
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     import org.apache.commons.jelly.util.ClassLoaderUtils;
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     /**
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      * A tag which can retrieve the value of a static field of a given class.
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      * The following attributes are required:<br />
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      * <ul>
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      *   <li>var - The variable to which to assign the resulting value.</li>
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      *   <li>field - The name of the static field to retrieve.</li>
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      *   <li>className - The name of the class containing the static field.</li>
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      * </ul>
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      *
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      * Example usage:
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      * <pre>
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      * &lt;j:getStatic var="closeOperation" className="javax.swing.JFrame"
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      *              field="EXIT_ON_CLOSE"/&gt;
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      * </pre>
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      *
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      * @version $Revision: 155420 $
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      */
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44 | 26 |
     public class GetStaticTag extends TagSupport {
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         /** The variable to which to assign the resulting value. */
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         private String var;
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         /** The name of the static field to retrieve. */
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         private String field;
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         /** The name of the class containing the static field. */
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         private String className;
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55 |  |
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         /**
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          * Sets the name of the variable exported by this tag.
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          *
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          * @param var The variable name.
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          */
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         public void setVar(String var) {
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             this.var = class="keyword">var;
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         }
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         /**
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          * Sets the name of the field to retrieve.
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          *
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          * @param method The method name
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          */
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         public void setField(String field) {
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             this.field = field;
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         }
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77 |  |
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         /**
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          * Sets the fully qualified name of the class containing the static field.
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          *
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          * @param className The name of the class.
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          */
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         public void setClassName(String className) {
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             this.className = className;
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         }
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         // Tag interface
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         //------------------------------------------------------------------------
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         public void doTag(XMLOutput output) throws JellyTagException {
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             String message = null;
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95 | 26 |
             if(var == null)
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                 message = "var";
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             else if(field == null)
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                 message = "field";
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             else if(className == null)
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                 message = "className";
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102 | 26 |
             if(message != null)
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                 throw new MissingAttributeException(message);
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             try {
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                 Class type     = ClassLoaderUtils.getClassLoader(getClass()).loadClass(className);
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                 Object result  = type.getField(field).get(null);
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                 JellyContext context = getContext();
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110 | 13 |
                 context.setVariable(var, result);
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112 | 13 |
             } catch(Throwable t) {
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                 throw
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                     new JellyTagException("Could not access " + className + "." +
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                                           var + ".  Original exception message: " +
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                                           t.getMessage(), t);
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             }
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         }
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     }
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     /* Emacs configuration
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      * Local variables:        **
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      * mode:             java  **
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      * c-basic-offset:   4     **
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      * indent-tabs-mode: nil   **
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      * End:                    **
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      */

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