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