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59 lines
2.0 KiB
59 lines
2.0 KiB
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.harmony.pack200;
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import java.beans.PropertyChangeListener;
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import java.beans.PropertyChangeSupport;
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import java.util.SortedMap;
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import java.util.TreeMap;
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/**
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* Provides generic JavaBeans support for the Pack/UnpackAdapters
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*/
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public abstract class Pack200Adapter {
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protected static final int DEFAULT_BUFFER_SIZE = 8192;
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private final PropertyChangeSupport support = new PropertyChangeSupport(this);
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private final SortedMap<String, String> properties = new TreeMap<String, String>();
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public SortedMap<String, String> properties() {
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return properties;
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}
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public void addPropertyChangeListener(PropertyChangeListener listener) {
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support.addPropertyChangeListener(listener);
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}
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protected void firePropertyChange(String propertyName, Object oldValue,
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Object newValue) {
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support.firePropertyChange(propertyName, oldValue, newValue);
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}
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public void removePropertyChangeListener(PropertyChangeListener listener) {
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support.removePropertyChangeListener(listener);
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}
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/**
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* Completion between 0..1
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* @param value
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*/
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protected void completed(double value) {
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firePropertyChange("pack.progress", null, String.valueOf((int)(100*value))); //$NON-NLS-1$
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}
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}
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