mirror of
https://github.com/mozilla/gecko-dev.git
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128 lines
3.8 KiB
Java
128 lines
3.8 KiB
Java
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.text.TextUtils;
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import android.util.Log;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.Enumeration;
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import java.util.Hashtable;
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class INISection {
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private static final String LOGTAG = "INIParser";
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// default file to read and write to
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private String mName = null;
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public String getName() { return mName; }
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// show or hide debug logging
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private boolean mDebug = false;
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// Global properties that aren't inside a section in the file
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protected Hashtable<String, Object> mProperties = null;
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// create a parser. The file will not be read until you attempt to
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// access sections or properties inside it. At that point its read synchronously
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public INISection(String name) {
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mName = name;
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}
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// log a debug string to the console
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protected void debug(String msg) {
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if (mDebug) {
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Log.i(LOGTAG, msg);
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}
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}
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// get a global property out of the hash table. will return null if the property doesn't exist
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public Object getProperty(String key) {
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getProperties(); // ensure that we have parsed the file
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return mProperties.get(key);
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}
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// get a global property out of the hash table. will return null if the property doesn't exist
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public int getIntProperty(String key) {
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Object val = getProperty(key);
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if (val == null)
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return -1;
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Integer i = new Integer(val.toString());
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return i.intValue();
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}
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// get a global property out of the hash table. will return null if the property doesn't exist
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public String getStringProperty(String key) {
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Object val = getProperty(key);
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if (val == null)
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return null;
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return val.toString();
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}
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// get a hashtable of all the global properties in this file
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public Hashtable<String, Object> getProperties() {
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if (mProperties == null) {
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try {
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parse();
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} catch (IOException e) {
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debug("Error parsing: " + e);
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}
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}
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return mProperties;
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}
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// do nothing for generic sections
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protected void parse() throws IOException {
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mProperties = new Hashtable<String, Object>();
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}
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// set a property. Will erase the property if value = null
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public void setProperty(String key, Object value) {
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getProperties(); // ensure that we have parsed the file
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if (value == null)
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removeProperty(key);
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else
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mProperties.put(key.trim(), value);
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}
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// remove a property
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public void removeProperty(String name) {
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// ensure that we have parsed the file
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getProperties();
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mProperties.remove(name);
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}
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public void write(BufferedWriter writer) throws IOException {
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if (!TextUtils.isEmpty(mName)) {
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writer.write("[" + mName + "]");
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writer.newLine();
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}
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if (mProperties != null) {
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for (Enumeration<String> e = mProperties.keys(); e.hasMoreElements();) {
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String key = e.nextElement();
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writeProperty(writer, key, mProperties.get(key));
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}
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}
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writer.newLine();
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}
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// Helper function to write out a property
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private void writeProperty(BufferedWriter writer, String key, Object value) {
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try {
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writer.write(key + "=" + value);
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writer.newLine();
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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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