PropertyEditorManagerService.java |
/*************************************** * * * JBoss: The OpenSource J2EE WebOS * * * * Distributable under LGPL license. * * See terms of license at gnu.org. * * * ***************************************/ package org.jboss.varia.property; import java.beans.PropertyEditorManager; import java.beans.PropertyEditor; import java.io.ByteArrayInputStream; import java.io.IOException; import java.util.StringTokenizer; import java.util.List; import java.util.LinkedList; import java.util.Iterator; import java.util.Properties; import javax.management.MBeanServer; import javax.management.ObjectName; import javax.management.MalformedObjectNameException; import org.jboss.system.ServiceMBeanSupport; /** * A service to access <tt>java.beans.PropertyEditorManager</tt>. * * @jmx:mbean name="jboss.varia:type=Service,name=PropertyEditorManager" * extends="org.jboss.system.ServiceMBean" * * @version <tt>$Revision: 1.5 $</tt> * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> */ public class PropertyEditorManagerService extends ServiceMBeanSupport implements PropertyEditorManagerServiceMBean { /////////////////////////////////////////////////////////////////////////// // PropertyEditorManager Access // /////////////////////////////////////////////////////////////////////////// /** * Locate a value editor for a given target type. * * @jmx:managed-operation * * @param type The class of the object to be edited. * @return An editor for the given type or null if none was found. */ public PropertyEditor findEditor(final Class type) { return PropertyEditorManager.findEditor(type); } /** * Locate a value editor for a given target type. * * @jmx:managed-operation * * @param typeName The class name of the object to be edited. * @return An editor for the given type or null if none was found. */ public PropertyEditor findEditor(final String typeName) throws ClassNotFoundException { Class type = Class.forName(typeName); return PropertyEditorManager.findEditor(type); } /** * Register an editor class to be used to editor values of a given target class. * * @jmx:managed-operation * * @param type The class of the objetcs to be edited. * @param editorType The class of the editor. */ public void registerEditor(final Class type, final Class editorType) { PropertyEditorManager.registerEditor(type, editorType); } /** * Register an editor class to be used to editor values of a given target class. * * @jmx:managed-operation * * @param typeName The classname of the objetcs to be edited. * @param editorTypeName The class of the editor. */ public void registerEditor(final String typeName, final String editorTypeName) throws ClassNotFoundException { Class type = Class.forName(typeName); Class editorType = Class.forName(editorTypeName); PropertyEditorManager.registerEditor(type, editorType); } /** Turn a string[] into an comma seperated list. */ private String makeString(final String[] array) { StringBuffer buff = new StringBuffer(); for (int i=0; i<array.length; i++) { buff.append(array[i]); if ((i + 1) < array.length) { buff.append(","); } } return buff.toString(); } /** Turn an comma seperated list into a string[]. */ private String[] makeArray(final String listspec) { StringTokenizer stok = new StringTokenizer(listspec, ","); List list = new LinkedList(); while (stok.hasMoreTokens()) { String url = stok.nextToken(); list.add(url); } return (String[])list.toArray(new String[list.size()]); } /** * Gets the package names that will be searched for property editors. * * @jmx:managed-attribute * * @return The package names that will be searched for property editors. */ public String getEditorSearchPath() { return makeString(PropertyEditorManager.getEditorSearchPath()); } /** * Sets the package names that will be searched for property editors. * * @jmx:managed-attribute * * @param path A comma sperated list of package names. */ public void setEditorSearchPath(final String path) { PropertyEditorManager.setEditorSearchPath(makeArray(path)); } /////////////////////////////////////////////////////////////////////////// // JMX & Configuration Helpers // /////////////////////////////////////////////////////////////////////////// /** * Load property editors based on the given properties string. * * @jmx:managed-attribute * * @param props, A string representation of a editor.class=editor.type * Properties map for the editors to load. */ public void setBootstrapEditors(final String propsString) throws ClassNotFoundException, IOException { Properties props = new Properties(); ByteArrayInputStream stream = new ByteArrayInputStream(propsString.getBytes()); props.load(stream); setEditors(props); } /** * Set property editors based on the given properties map. * * @jmx:managed-attribute * * @param props Map of <em>type name</em> to </em>editor type name</em>. */ public void setEditors(final Properties props) throws ClassNotFoundException { Iterator iter = props.keySet().iterator(); while (iter.hasNext()) { String typeName = (String)iter.next(); String editorTypeName = props.getProperty(typeName); registerEditor(typeName, editorTypeName); } } /////////////////////////////////////////////////////////////////////////// // ServiceMBeanSupport Overrides // /////////////////////////////////////////////////////////////////////////// protected ObjectName getObjectName(final MBeanServer server, final ObjectName name) throws MalformedObjectNameException { return name == null ? OBJECT_NAME : name; } }
PropertyEditorManagerService.java |