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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/text/html/ObjectView.java
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+/* ObjectView.java -- A view for HTML object tags
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.text.html;
+
+import java.awt.Component;
+
+import javax.swing.text.AttributeSet;
+import javax.swing.text.ComponentView;
+import javax.swing.text.Element;
+
+/**
+ * A view for HTML <code>&lt;object&gt;</code> tags.
+ *
+ * This is a {@link ComponentView} that creates special components depending
+ * on the object specification. If the object tag has a classid attribute, then
+ * this view will try to load the class specified by this attribute using the
+ * classloader that loaded the associated document. If the class could be
+ * loaded, an instance is created and the type narrowed to {@link Component}.
+ *
+ * It is also possible to set bean properties on the created component using
+ * nested <code>&lt;param&gt;</code> tags. For example:
+ * <pre>
+ * <object classid="javax.swing.JLabel">
+ * <param name="text" value="sample text">
+ * </object>
+ * </pre>
+ *
+ * @author Roman Kennke (kennke@aicas.com)
+ */
+public class ObjectView extends ComponentView
+{
+
+ /**
+ * Creates a new <code>ObjectView</code>.
+ *
+ * @param el the element for which to create a view
+ */
+ public ObjectView(Element el)
+ {
+ super(el);
+ }
+
+ /**
+ * Creates a component based on the specification in the element of this
+ * view. See the class description for details.
+ */
+ protected Component createComponent()
+ {
+ Component comp = null;
+ Element el = getElement();
+ AttributeSet atts = el.getAttributes();
+ String classId = (String) atts.getAttribute("classid");
+ try
+ {
+ Class<?> objectClass = Class.forName(classId);
+ Object instance = objectClass.newInstance();
+ comp = (Component) instance;
+ }
+ catch (ClassNotFoundException ex)
+ {
+ // Ignored.
+ }
+ catch (IllegalAccessException ex)
+ {
+ // Ignored.
+ }
+ catch (InstantiationException ex)
+ {
+ // Ignored.
+ }
+ // FIXME: Handle param tags and set bean properties accordingly.
+ return comp;
+ }
+}