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From je...@apache.org
Subject cvs commit: cocoon-2.1/src/java/org/apache/cocoon/components/modules/input XMLFileModule.java
Date Sat, 03 May 2003 11:17:44 GMT
jefft       2003/05/03 04:17:44

  Modified:    src/java/org/apache/cocoon/components/modules/input
                        XMLFileModule.java
  Log:
  - Improve Javadocs
  - Add a decent error message if the <file> dynamic configuration is missing.
  
  Revision  Changes    Path
  1.5       +47 -7     cocoon-2.1/src/java/org/apache/cocoon/components/modules/input/XMLFileModule.java
  
  Index: XMLFileModule.java
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/java/org/apache/cocoon/components/modules/input/XMLFileModule.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- XMLFileModule.java	16 Mar 2003 17:49:12 -0000	1.4
  +++ XMLFileModule.java	3 May 2003 11:17:44 -0000	1.5
  @@ -199,7 +199,20 @@
   
   
       /**
  -     * @param config a <code>Configuration</code> value
  +     * Static (cocoon.xconf) configuration.
  +     * Configuration is expected to be of the form:
  +     * &lt;...>
  +     *   &lt;reloadable>true|<b>false</b>&lt;/reloadable>
  +     *   &lt;cacheable><b>true</b>|false&lt;/cacheable>
  +     *   &lt;file src="<i>src1</i>" reloadable="true|<b>false</b>"
cacheable="<b>true</b>|false"/>
  +     *   &lt;file src="<i>src2</i>" reloadable="true|<b>false</b>"
cacheable="<b>true</b>|false"/>
  +     *   ...
  +     * &lt;/...>
  +     * Each &lt;file> pre-loads an XML DOM for querying. Typically only one
  +     * &lt;file> is specified, and its <i>src</i> is used as a default
if not
  +     * overridden in the {@link #getContextObject dynamic configuration}
  +     *
  +     * @param config a <code>Configuration</code> value, as described above.
        * @exception ConfigurationException if an error occurs
        */
       public void configure(Configuration config) throws ConfigurationException {
  @@ -231,22 +244,49 @@
       }
   
   
  +    /**
  +     * Get the DOM object that JXPath will operate on when evaluating
  +     * attributes.  This DOM is loaded from a Source, specified in the
  +     * modeConf, or (if modeConf is null) from the {@link #configure static
  +     * configuration}.
  +     * @param modeConf The dynamic configuration for the current operation. May
  +     * be <code>null</code>, in which case static (cocoon.xconf) configuration
  +     * is used.  Configuration is expected to have a &lt;file> child node, and
  +     * be of the form:
  +     * &lt;...>
  +     *   &lt;file src="..." reloadable="true|false"/>
  +     * &lt;/...>
  +     * @param objectModel Object Model for the current module operation.
  +     */
       protected Object getContextObject(Configuration modeConf,
                                         Map objectModel) throws ConfigurationException {
   
           String src = this.src;
           boolean reload = this.reloadAll;
           boolean cache = this.cacheAll;
  -        
  -        if (modeConf != null) 
  -            src = modeConf.getChild("file").getAttribute("src",src);
  +        boolean hasDynamicConf = false; // whether we have a <file src="..."> dynamic
configuration
  +        Configuration fileConf = null;  // the nested <file>, if any
  +        if (modeConf != null) {
  +            fileConf = modeConf.getChild("file", false);
  +            if (fileConf == null) {
  +                getLogger().error("Error: missing 'file' child element at "+modeConf.getLocation());
  +                throw new ConfigurationException(
  +                        "Error in dynamic configuration of XMLFileModule: " +
  +                        "missing 'file' child element at " + 
  +                        modeConf.getLocation());
  +            }
  +            hasDynamicConf = true;
  +        }
  +
  +        if (hasDynamicConf) {
  +            src = fileConf.getAttribute("src");
  +        }
   
           if (this.documents == null) 
               this.documents = Collections.synchronizedMap(new HashMap());
   
           if (!this.documents.containsKey(src)) {
  -            if (modeConf != null) {
  -                final Configuration fileConf = modeConf.getChild("file");
  +            if (hasDynamicConf) {
                   reload = fileConf.getAttributeAsBoolean("reloadable",reload);
                   cache = fileConf.getAttributeAsBoolean("cacheable",cache);
                   if (fileConf.getAttribute("cachable", null) != null) {
  
  
  

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