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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/text/html/ObjectView.java | |
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Diffstat (limited to 'libjava/classpath/javax/swing/text/html/ObjectView.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/html/ObjectView.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/html/ObjectView.java b/libjava/classpath/javax/swing/text/html/ObjectView.java new file mode 100644 index 000000000..9d900441b --- /dev/null +++ b/libjava/classpath/javax/swing/text/html/ObjectView.java @@ -0,0 +1,110 @@ +/* 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><object></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><param></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; + } +} |