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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
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*
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* The contents of this file are subject to the terms of the GNU General Public License Version 3
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* only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
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* copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each file.
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*/
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package org.openconcerto.ui.preferences;
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import org.openconcerto.utils.FileUtils;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Properties;
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import javax.swing.JFrame;
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import javax.swing.JOptionPane;
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public abstract class AbstractProps {
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protected final Properties props = new Properties();
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protected AbstractProps() {
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load();
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}
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public Properties getProps() {
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return this.props;
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}
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protected abstract String getPropsFileName();
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public final boolean contains(String name) {
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return this.props.containsKey(name + getPropertySuffix());
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}
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public String getPropertySuffix() {
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return "";
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}
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/**
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* Return the property for the passed key.
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*
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* @param name the key.
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* @return the matching string, never <code>null</code>.
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* @see #getDefaultStringValue()
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*/
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public String getStringProperty(String name) {
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final String property = getProperty(name);
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if (property == null)
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return getDefaultStringValue();
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else
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return property;
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}
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/**
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* Return the property for the passed key.
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*
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* @param name the key.
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* @return the matching property value or <code>null</code>.
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*/
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public final String getProperty(String name) {
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final String key = name + getPropertySuffix();
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final String property = this.props.getProperty(key);
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return property;
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}
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/**
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* Return Boolean.TRUE only if the property is defined and equals to "true". If the property is
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* not defined or not equals to "true", return Boolean.FALSE
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* */
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public final Boolean getBooleanValue(String name) {
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final String property = this.getProperty(name);
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if (property == null) {
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return Boolean.FALSE;
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}
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return Boolean.valueOf(property);
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}
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public final boolean getBooleanValue(String name, boolean defaultValue) {
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final String property = this.getProperty(name);
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if (property == null) {
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return defaultValue;
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}
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return Boolean.valueOf(property);
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}
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public String getDefaultStringValue() {
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return "";
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}
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public final int getIntProperty(String name) {
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return getIntProperty(name, getDefautIntValue());
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}
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public final int getIntProperty(String name, int defaultVal) {
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final String property = this.getProperty(name);
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return property == null ? defaultVal : Integer.valueOf(property).intValue();
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}
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protected int getDefautIntValue() {
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return -1;
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}
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/**
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* Set or remove a property.
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*
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* @param key the key.
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* @param value the value, <code>null</code> meaning remove.
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*/
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public void setProperty(String key, String value) {
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final String fullKey = key + getPropertySuffix();
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if (value == null)
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this.props.remove(fullKey);
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else
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this.props.setProperty(fullKey, value);
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}
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public void load() {
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final File file = new File(getPropsFileName());
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System.out.println("Loading properties from " + file.getAbsolutePath());
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if (!file.exists()) {
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System.out.println("Warning: " + file.getAbsolutePath() + " does not exist");
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return;
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}
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BufferedInputStream bufferedInputStream = null;
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try {
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final FileInputStream fileInputStream = new FileInputStream(file);
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bufferedInputStream = new BufferedInputStream(fileInputStream);
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this.props.load(bufferedInputStream);
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} catch (IOException e) {
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JOptionPane.showMessageDialog(new JFrame(), "Impossible de lire le fichier de configuration:\n" + file.getAbsolutePath());
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e.printStackTrace();
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} finally {
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if (bufferedInputStream != null) {
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try {
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bufferedInputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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public void store() {
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BufferedOutputStream bufferedOutputStream = null;
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final File file = new File(getPropsFileName());
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try {
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FileUtils.mkdir_p(file.getParentFile());
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final FileOutputStream fileOutputStream = new FileOutputStream(file);
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bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
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this.props.store(bufferedOutputStream, "");
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} catch (IOException e) {
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JOptionPane.showMessageDialog(new JFrame(), "Impossible d'enregistrer le fichier de configuration:\n" + file.getAbsolutePath());
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e.printStackTrace();
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} finally {
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if (bufferedOutputStream != null) {
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try {
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bufferedOutputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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}
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