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Diffstat (limited to 'libjava/classpath/javax/swing/text/SimpleAttributeSet.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/SimpleAttributeSet.java | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/SimpleAttributeSet.java b/libjava/classpath/javax/swing/text/SimpleAttributeSet.java new file mode 100644 index 0000000..3ef5db6 --- /dev/null +++ b/libjava/classpath/javax/swing/text/SimpleAttributeSet.java @@ -0,0 +1,193 @@ +/* SimpleAttributeSet.java -- + Copyright (C) 2004, 2005 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; + +import java.io.Serializable; +import java.util.Enumeration; +import java.util.Hashtable; + +public class SimpleAttributeSet + implements MutableAttributeSet, Serializable, Cloneable +{ + public static final AttributeSet EMPTY = new SimpleAttributeSet(); + + Hashtable tab; + + public SimpleAttributeSet() + { + this(null); + } + + public SimpleAttributeSet(AttributeSet a) + { + tab = new Hashtable(); + if (a != null) + addAttributes(a); + } + + public void addAttribute(Object name, Object value) + { + tab.put(name, value); + } + + public void addAttributes(AttributeSet attributes) + { + Enumeration e = attributes.getAttributeNames(); + while (e.hasMoreElements()) + { + Object name = e.nextElement(); + Object val = attributes.getAttribute(name); + tab.put(name, val); + } + } + + public Object clone() + { + SimpleAttributeSet s = new SimpleAttributeSet(); + s.tab = (Hashtable) tab.clone(); + return s; + } + + public boolean containsAttribute(Object name, Object value) + { + return tab.containsKey(name) + && tab.get(name).equals(value); + } + + public boolean containsAttributes(AttributeSet attributes) + { + Enumeration e = attributes.getAttributeNames(); + while (e.hasMoreElements()) + { + Object name = e.nextElement(); + Object val = attributes.getAttribute(name); + if (! containsAttribute(name, val)) + return false; + } + return true; + } + + public AttributeSet copyAttributes() + { + return (AttributeSet) clone(); + } + + public boolean equals(Object obj) + { + return (obj != null) + && (obj instanceof SimpleAttributeSet) + && ((SimpleAttributeSet)obj).tab.equals(this.tab); + } + + public Object getAttribute(Object name) + { + Object val = tab.get(name); + if (val != null) + return val; + + Object p = getResolveParent(); + if (p != null && p instanceof AttributeSet) + return (((AttributeSet)p).getAttribute(name)); + + return null; + } + + public int getAttributeCount() + { + return tab.size(); + } + + public Enumeration getAttributeNames() + { + return tab.keys(); + } + + public AttributeSet getResolveParent() + { + return (AttributeSet) tab.get(ResolveAttribute); + } + + public int hashCode() + { + return tab.hashCode(); + } + + public boolean isDefined(Object attrName) + { + return tab.containsKey(attrName); + } + + public boolean isEmpty() + { + return tab.isEmpty(); + } + + public boolean isEqual(AttributeSet attr) + { + return this.equals(attr); + } + + public void removeAttribute(Object name) + { + tab.remove(name); + } + + public void removeAttributes(AttributeSet attributes) + { + removeAttributes(attributes.getAttributeNames()); + } + + public void removeAttributes(Enumeration names) + { + while (names.hasMoreElements()) + { + removeAttribute(names.nextElement()); + } + } + + public void setResolveParent(AttributeSet parent) + { + addAttribute(ResolveAttribute, parent); + } + + public String toString() + { + return tab.toString(); + } +} |