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Posted to commits@ofbiz.apache.org by ad...@apache.org on 2009/05/07 08:43:56 UTC
svn commit: r772517 -
/ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java
Author: adrianc
Date: Thu May 7 06:43:53 2009
New Revision: 772517
URL: http://svn.apache.org/viewvc?rev=772517&view=rev
Log:
Added UEL functions to read and write XML files.
Modified:
ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java
Modified: ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java?rev=772517&r1=772516&r2=772517&view=diff
==============================================================================
--- ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java (original)
+++ ofbiz/trunk/framework/base/src/org/ofbiz/base/util/string/UelFunctions.java Thu May 7 06:43:53 2009
@@ -18,7 +18,9 @@
*******************************************************************************/
package org.ofbiz.base.util.string;
+import java.io.File;
import java.io.InputStream;
+import java.io.FileOutputStream;
import java.lang.reflect.Method;
import java.net.URL;
import java.text.DateFormat;
@@ -33,7 +35,13 @@
import org.ofbiz.base.location.FlexibleLocation;
import org.ofbiz.base.util.Debug;
+import org.ofbiz.base.util.FileUtil;
import org.ofbiz.base.util.UtilDateTime;
+import org.ofbiz.base.util.UtilXml;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
/** Implements Unified Expression Language functions.
* <p>Built-in functions are divided into a number of
@@ -130,6 +138,9 @@
* <tr><td><code>util:size(Object)</code></td><td>Returns the size of <code>Maps</code>,
* <code>Collections</code>, and <code>Strings</code>. Invalid <code>Object</code> types return -1.</td></tr>
* <tr><td><code>util:urlExists(String)</code></td><td>Returns <code>true</code> if the specified URL exists.</td></tr>
+ * <tr><td colspan="2"><b><code>dom:</code> contains <code>org.w3c.dom.*</code> functions</b></td></tr>
+ * <tr><td><code>dom:readXmlDocument(String)</code></td><td>Reads an XML file and returns a <code>org.w3c.dom.Document</code> instance.</td></tr>
+ * <tr><td><code>dom:writeXmlDocument(String, Node, String encoding, boolean omitXmlDeclaration, boolean indent, int indentAmount)</code></td><td>Writes a <code>org.w3c.dom.Node</code> to an XML file and returns <code>true</code> if successful.</td></tr>
* </table>
*/
public class UelFunctions {
@@ -233,8 +244,10 @@
this.functionMap.put("util:defaultLocale", Locale.class.getMethod("getDefault"));
this.functionMap.put("util:defaultTimeZone", TimeZone.class.getMethod("getDefault"));
this.functionMap.put("util:urlExists", UelFunctions.class.getMethod("urlExists", String.class));
+ this.functionMap.put("dom:readXmlDocument", UelFunctions.class.getMethod("readXmlDocument", String.class));
+ this.functionMap.put("dom:writeXmlDocument", UelFunctions.class.getMethod("writeXmlDocument", String.class, Node.class, String.class, boolean.class, boolean.class, int.class));
} catch (Exception e) {
- Debug.logError("Error while initializing UelFunctions.Functions instance: " + e, module);
+ Debug.logError(e, "Error while initializing UelFunctions.Functions instance", module);
}
Debug.logVerbose("UelFunctions.Functions loaded " + this.functionMap.size() + " functions", module);
}
@@ -404,4 +417,52 @@
} catch (Exception e) {}
return result;
}
+
+ public static Document readXmlDocument(String str) {
+ Document document = null;
+ try {
+ URL url = FlexibleLocation.resolveLocation(str);
+ if (url != null) {
+ InputStream is = url.openStream();
+ document = UtilXml.readXmlDocument(is, str);
+ is.close();
+ } else {
+ Debug.logError("Unable to locate XML document " + str, module);
+ }
+ } catch (Exception e) {
+ Debug.logError(e, "Error while reading XML document " + str, module);
+ }
+ return document;
+ }
+
+ public static boolean writeXmlDocument(String str, Node node, String encoding, boolean omitXmlDeclaration, boolean indent, int indentAmount) {
+ Element element = null;
+ if (node instanceof Document) {
+ element = ((Document) node).getDocumentElement();
+ } else {
+ try {
+ element = (Element) node;
+ } catch (Exception e) {}
+ }
+ if (element != null) {
+ try {
+ File file = FileUtil.getFile(str);
+ if (file != null) {
+ FileOutputStream os = new FileOutputStream(file);
+ UtilXml.writeXmlDocument(element, os, encoding, omitXmlDeclaration, indent, indentAmount);
+ os.close();
+ return true;
+ } else {
+ Debug.logError("Unable to create XML document " + str, module);
+ }
+ } catch (Exception e) {
+ Debug.logError(e, "Error while writing XML document " + str, module);
+ }
+ } else {
+ Debug.logError("Error while writing XML document " + str +
+ ": Node is not an instance of Document or Element - " +
+ node.getClass().getName(), module);
+ }
+ return false;
+ }
}