The Tor Browser / file comparison
comparison: mobile/android/base/util/INISection.java
mobile/android/base/util/INISection.java
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.util; | |
| 6 | |
| 7 import android.text.TextUtils; | |
| 8 import android.util.Log; | |
| 9 | |
| 10 import java.io.BufferedWriter; | |
| 11 import java.io.IOException; | |
| 12 import java.util.Enumeration; | |
| 13 import java.util.Hashtable; | |
| 14 | |
| 15 public class INISection { | |
| 16 private static final String LOGTAG = "INIParser"; | |
| 17 | |
| 18 // default file to read and write to | |
| 19 private String mName = null; | |
| 20 public String getName() { return mName; } | |
| 21 public void setName(String name) { mName = name; } | |
| 22 | |
| 23 // show or hide debug logging | |
| 24 private boolean mDebug = false; | |
| 25 | |
| 26 // Global properties that aren't inside a section in the file | |
| 27 protected Hashtable<String, Object> mProperties = null; | |
| 28 | |
| 29 // create a parser. The file will not be read until you attempt to | |
| 30 // access sections or properties inside it. At that point its read synchronously | |
| 31 public INISection(String name) { | |
| 32 mName = name; | |
| 33 } | |
| 34 | |
| 35 // log a debug string to the console | |
| 36 protected void debug(String msg) { | |
| 37 if (mDebug) { | |
| 38 Log.i(LOGTAG, msg); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 // get a global property out of the hash table. will return null if the property doesn't exist | |
| 43 public Object getProperty(String key) { | |
| 44 getProperties(); // ensure that we have parsed the file | |
| 45 return mProperties.get(key); | |
| 46 } | |
| 47 | |
| 48 // get a global property out of the hash table. will return null if the property doesn't exist | |
| 49 public int getIntProperty(String key) { | |
| 50 Object val = getProperty(key); | |
| 51 if (val == null) | |
| 52 return -1; | |
| 53 | |
| 54 return Integer.parseInt(val.toString()); | |
| 55 } | |
| 56 | |
| 57 // get a global property out of the hash table. will return null if the property doesn't exist | |
| 58 public String getStringProperty(String key) { | |
| 59 Object val = getProperty(key); | |
| 60 if (val == null) | |
| 61 return null; | |
| 62 | |
| 63 return val.toString(); | |
| 64 } | |
| 65 | |
| 66 // get a hashtable of all the global properties in this file | |
| 67 public Hashtable<String, Object> getProperties() { | |
| 68 if (mProperties == null) { | |
| 69 try { | |
| 70 parse(); | |
| 71 } catch (IOException e) { | |
| 72 debug("Error parsing: " + e); | |
| 73 } | |
| 74 } | |
| 75 return mProperties; | |
| 76 } | |
| 77 | |
| 78 // do nothing for generic sections | |
| 79 protected void parse() throws IOException { | |
| 80 mProperties = new Hashtable<String, Object>(); | |
| 81 } | |
| 82 | |
| 83 // set a property. Will erase the property if value = null | |
| 84 public void setProperty(String key, Object value) { | |
| 85 getProperties(); // ensure that we have parsed the file | |
| 86 if (value == null) | |
| 87 removeProperty(key); | |
| 88 else | |
| 89 mProperties.put(key.trim(), value); | |
| 90 } | |
| 91 | |
| 92 // remove a property | |
| 93 public void removeProperty(String name) { | |
| 94 // ensure that we have parsed the file | |
| 95 getProperties(); | |
| 96 mProperties.remove(name); | |
| 97 } | |
| 98 | |
| 99 public void write(BufferedWriter writer) throws IOException { | |
| 100 if (!TextUtils.isEmpty(mName)) { | |
| 101 writer.write("[" + mName + "]"); | |
| 102 writer.newLine(); | |
| 103 } | |
| 104 | |
| 105 if (mProperties != null) { | |
| 106 for (Enumeration<String> e = mProperties.keys(); e.hasMoreElements();) { | |
| 107 String key = e.nextElement(); | |
| 108 writeProperty(writer, key, mProperties.get(key)); | |
| 109 } | |
| 110 } | |
| 111 writer.newLine(); | |
| 112 } | |
| 113 | |
| 114 // Helper function to write out a property | |
| 115 private void writeProperty(BufferedWriter writer, String key, Object value) { | |
| 116 try { | |
| 117 writer.write(key + "=" + value); | |
| 118 writer.newLine(); | |
| 119 } catch (IOException e) { | |
| 120 e.printStackTrace(); | |
| 121 } | |
| 122 } | |
| 123 } |
