解析res资源目录下的raw文件夹里的xml文件

XML 前端之家
前端之家收集整理的这篇文章主要介绍了解析res资源目录下的raw文件夹里的xml文件，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

写应用程序时，一般把一些配置写在xml文件里，方便配置！然后在应用启动的时（在继承的application里）初始化配置

  1. //在application里做的初始化工作	
  2. // 初始化设置
  3. SettingUtility.setSettingUtility();


使用xml里的配置

  1. <span style="white-space:pre">	</span>Logger.DEBUG = SettingUtility.getBooleanSetting("debug");
  2.  
  3. 	/**
  4. 	 * 程序的文件目录，如果setting配置的是android，标志目录位于/sdcard/Application/PackageName/...下<br/>
  5. 	 * 否则，就是/sdcard/setting[root_path]/...目录
  6. 	 * 
  7. 	 * @return
  8. 	 */
  9. 	public String getAppPath() {
  10. 		if ("android".equals(SettingUtility.getStringSetting("root_path")))
  11. 			return getExternalCacheDir().getAbsolutePath() + File.separator;
  12. 		
  13. 		return SdcardUtils.getSdcardPath() + File.separator + SettingUtility.getStringSetting("root_path") + File.separator;
  14. 	}




初始化工具类 
  1. public class SettingUtility {
  2.  
  3. 	private static Map<String,Setting> settingMap;
  4.  
  5. 	static {
  6. 		settingMap = new HashMap<String,Setting>();
  7. 	}
  8.  
  9. 	private SettingUtility() {
  10.  
  11. 	}
  12.  
  13. 	public static void setSettingUtility() {
  14. 		
  15. 		addSettings("settings");
  16. <span style="white-space:pre">	</span>/**
  17. <span style="white-space:pre">	</span>*主要是一些初始化代码
  18.         if (SdcardUtils.hasSdcardAndCanWrite()) {
  19.             File rootFile = new File(GlobalContext.getInstance().getAppPath());
  20.             if (!rootFile.exists())
  21.                 rootFile.mkdirs();
  22.  
  23.             // 数据缓存目录设置
  24.             File jsonFile = new File(rootFile.getAbsolutePath() + File.separator + getPermanentSettingAsStr("com_m_common_json","files"));
  25.             if (!jsonFile.exists())
  26.                 jsonFile.mkdirs();
  27.  
  28.             // 缓存目录设置
  29.             File imageFile = new File(rootFile.getAbsolutePath() + File.separator + getPermanentSettingAsStr("com_m_common_image","images"));
  30.             if (!imageFile.exists())
  31.                 imageFile.mkdirs();
  32.         }*/
  33.  
  34. 	}
  35.  
  36. 	/**
  37. 	 * 添加设置配置数据
  38. 	 * 
  39. 	 * @param settingsXmlName
  40. 	 */
  41. 	public static void addSettings(String settingsXmlName) {
  42. 		Map<String,Setting> newSettingMap = SettingsXmlParser.parseSettings(GlobalContext.getInstance(),settingsXmlName);
  43.  
  44. 		Set<String> keySet = newSettingMap.keySet();
  45. 		for (String key : keySet)
  46. 			settingMap.put(key,newSettingMap.get(key));
  47. 	}
  48.  
  49. 	public static boolean getBooleanSetting(String type) {
  50. 		if (settingMap.containsKey(type))
  51. 			return Boolean.parseBoolean(settingMap.get(type).getValue());
  52.  
  53. 		return false;
  54. 	}
  55.  
  56. 	public static int getIntSetting(String type) {
  57. 		if (settingMap.containsKey(type))
  58. 			return Integer.parseInt(settingMap.get(type).getValue());
  59.  
  60. 		return -1;
  61. 	}
  62.  
  63. 	public static String getStringSetting(String type) {
  64. 		if (settingMap.containsKey(type))
  65. 			return settingMap.get(type).getValue();
  66.  
  67. 		return null;
  68. 	}
  69.  
  70. 	public static Setting getSetting(String type) {
  71. 		if (settingMap.containsKey(type))
  72. 			return settingMap.get(type);
  73.  
  74. 		return null;
  75. 	}





1、放在res下的raw的xml资源文件 setting.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <app-settings>
  3.  
  4. 	<setting-array type="root_path" index="0">
  5. 		<des>应用程序相对sdcard的相对路径目录，所有的文件都存储在这个文件夹中</des>
  6. 		<setting>
  7. 			<value>android</value>
  8. 		</setting>
  9. 	</setting-array>
  10.  
  11. 	<setting-array type="com_m_common_json" index="0">
  12. 		<des>业务数据sdcard缓存路径，相对root_path路径</des>
  13. 		<setting>
  14. 			<value>app_data</value>
  15. 		</setting>
  16. 	</setting-array>
  17.  
  18. 	<setting-array type="com_m_common_image" index="0">
  19. 		<des>图片数据sdcard缓存路径，相对root_path路径</des>
  20. 		<setting>
  21. 			<value>app_image</value>
  22. 		</setting>
  23. 	</setting-array>
  24. 	
  25. 	<setting-array type="draft" index="0">
  26. 		<des>草稿图片，相对root_path路径</des>
  27. 		<setting>
  28. 			<value>draft</value>
  29. 		</setting>
  30. 	</setting-array>
  31.  
  32. 	<setting type="saveImage">
  33. 		<des>我收藏的图片</des>
  34. 		<value>myPics</value>
  35. 	</setting>
  36. 	
  37. 	<setting type="crashlogenable">
  38. 		<des>错误日志记录</des>
  39. 		<value>true</value>
  40. 	</setting>
  41. 	
  42. 	<setting type="crashlog">
  43. 		<des>错误日志目录</des>
  44. 		<value>crashlog</value>
  45. 	</setting>
  46.  
  47. 	<setting-array type="cache_utility" index="2">
  48. 		<des>缓存模式设置</des>
  49. 		<setting>
  50. 			<des>DB数据缓存</des>
  51. 			<value>org.aisen.android.support.cache.DBCacheUtility</value>
  52. 		</setting>
  53. 		<setting>
  54. 			<des>文件数据缓存</des>
  55. 			<value>com.sysweal.marketing.support.cache.FileCacheUtility_2</value>
  56. 		</setting>
  57. 	</setting-array>
  58.  
  59. 	<setting type="memory_cache_validity">
  60. 		<des>内存缓存数据有效期，等于0为不保持内存数据，单位(s)</des>
  61. 		<value>0</value>
  62. 	</setting>
  63. 	
  64. 	<setting type="http">
  65. 	    <value>org.aisen.android.network.http.DefHttpUtility</value>
  66. 	</setting>
  67.  
  68. 	<setting type="cache_validtime">
  69. 		<des>缓存数据的有效期，max_date为永久有效，单位(s)</des>
  70. 		<value>max_date</value>
  71. 	</setting>
  72.  
  73. 	<setting type="debug">
  74. 		<des>APP是否是DEBUG模式</des>
  75. 		<value>false</value>
  76. 	</setting>
  77.  
  78. 	<setting type="cache_enable">
  79. 		<des>缓存开关，在这里设置无效，需要在action.xml中覆盖这个设置</des>
  80. 		<value>true</value>
  81. 	</setting>
  82.  
  83. 	<setting type="page_count">
  84. 		<des>分页大小</des>
  85. 		<value>50</value>
  86. 	</setting>
  87.  
  88. 	<setting-array type="app_channel" index="0">
  89. 		<des>应用渠道</des>
  90. 		<setting>
  91. 			<value>test</value>
  92. 		</setting>
  93. 		<setting>
  94. 			<value>wandoujia</value>
  95. 		</setting>
  96.         <setting>
  97.             <value>googleplay</value>
  98.         </setting>
  99. 	</setting-array>
  100. 	
  101. 	<setting type="bd_debug">
  102. 		<des>百度移动统计debug</des>
  103. 		<value>false</value>
  104. 	</setting>
  105. 	
  106. 	<setting type="image_suffix">
  107. 		<des>图片缓存的后缀</des>
  108. 		<value>auto</value>
  109. 	</setting>
  110. 	
  111. 	<setting type="about_url">
  112. 		<des>关于</des>
  113. 		<value>https://github.com/wangdan/AisenWeiBo/blob/master/README.md</value>
  114. 	</setting>
  115. 	
  116. 	<setting type="help_url">
  117. 		<des>帮助</des>
  118. 		<value>https://github.com/wangdan/AisenWeiBo/blob/master/HELP.md</value>
  119. 	</setting>
  120. 	
  121. 	<!-- <setting type="fragment_lifecycle">
  122. 		<des>Fragment帮助类</des>
  123. 		<value>org.aisen.weibo.sina.ui.fragment.base.FragmentHelper</value>
  124. 	</setting> -->
  125.  
  126. 	<setting type="activity_helper">
  127. 		<des>Activity帮助类</des>
  128. 		<value>org.aisen.weibo.sina.ui.activity.basic.AisenActivityHelper</value>
  129. 	</setting>
  130.  
  131.     <setting type="weico_key">
  132.         <value>211160679</value>
  133.     </setting>
  134.  
  135.     <setting type="weico_screet">
  136.         <value>63b64d531b98c2dbff2443816f274dd3</value>
  137.     </setting>
  138.  
  139.     <setting type="weico_callback">
  140.         <value>http://oauth.weico.cc</value>
  141.     </setting>
  142.  
  143. </app-settings>

2、解析成的实体bean，SettingBean，Setting，SettingArray，SettingExtras 
  1. class SettingBean implements Serializable {
  2.  
  3. 	private static final long serialVersionUID = -3694407301270573142L;
  4.  
  5. 	private String description;
  6.  
  7. 	private String type;
  8.  
  9. 	private String value;
  10.  
  11. 	public String getDescription() {
  12. 		return description;
  13. 	}
  14.  
  15. 	public void setDescription(String description) {
  16. 		this.description = description;
  17. 	}
  18.  
  19. 	public String getType() {
  20. 		return type;
  21. 	}
  22.  
  23. 	public void setType(String type) {
  24. 		this.type = type;
  25. 	}
  26.  
  27. 	public String getValue() {
  28. 		return value;
  29. 	}
  30.  
  31. 	public void setValue(String value) {
  32. 		this.value = value;
  33. 	}
  34. }



  1. public class Setting extends SettingBean implements Serializable {
  2.  
  3. 	private static final long serialVersionUID = 4801654811733634325L;
  4. 	
  5. 	private Map<String,SettingExtra> extras;
  6.  
  7. 	public Setting() {
  8. 		extras = new HashMap<String,SettingExtra>();
  9. 	}
  10.  
  11. 	public Map<String,SettingExtra> getExtras() {
  12. 		return extras;
  13. 	}
  14.  
  15. 	public void setExtras(Map<String,SettingExtra> extras) {
  16. 		this.extras = extras;
  17. 	}
  18. 	
  19. }



  1. public class SettingArray extends SettingBean implements Serializable {
  2.  
  3. 	private static final long serialVersionUID = 6482515166206579219L;
  4.  
  5. 	private List<Setting> settingArray;
  6.  
  7. 	private int index;
  8. 	
  9. 	public SettingArray() {
  10. 		settingArray = new ArrayList<Setting>();
  11. 	}
  12.  
  13. 	public List<Setting> getSettingArray() {
  14. 		return settingArray;
  15. 	}
  16.  
  17. 	public void setSettingArray(List<Setting> settingArray) {
  18. 		this.settingArray = settingArray;
  19. 	}
  20.  
  21. 	public int getIndex() {
  22. 		return index;
  23. 	}
  24.  
  25. 	public void setIndex(int index) {
  26. 		this.index = index;
  27. 	}
  28. }

  1. public class SettingExtra extends SettingBean implements Serializable {
  2.  
  3. 	private static final long serialVersionUID = 4608815242740722900L;
  4.  
  5. }

3、解析的方法，返回的是一个map集合 
  1. static Map<String,Setting> parseSettings(Context context,String fileName) {
  2. 		Map<String,Setting> settingMap = new HashMap<String,Setting>();
  3. 		List<SettingArray> settingArray = new ArrayList<SettingArray>();
  4. 		List<SettingExtra> settingExtras = null;
  5.  
  6. 		Setting readSetting = null;
  7. 		SettingArray readSettingArray = null;
  8. 		SettingExtra readSettingExtra = null;
  9.  
  10. 		XmlPullParser xmlResParser = null;
  11. 		try {
  12. 			String packageName = context.getPackageName();
  13. 			Resources resources = context.getPackageManager().getResourcesForApplication(packageName);
  14.  
  15. 			Logger.d("read xml resource,filename = " + fileName);
  16.  
  17. 			int resId = resources.getIdentifier(fileName,"raw",packageName);
  18.  
  19. 			// 解析URL配置
  20. 			xmlResParser = Xml.newPullParser();
  21. 			xmlResParser.setInput(resources.openRawResource(resId),"utf-8");
  22. 			int eventType = xmlResParser.getEventType();
  23. 			while (eventType != XmlPullParser.END_DOCUMENT) {
  24.  
  25. 				switch (eventType) {
  26. 				case XmlPullParser.START_TAG:
  27. 					if ("setting-array".equals(xmlResParser.getName())) {
  28. 						readSettingArray = new SettingArray();
  29. 						readSettingArray.setType(xmlResParser.getAttributeValue(null,"type"));
  30. 						readSettingArray.setIndex(Integer.parseInt(xmlResParser.getAttributeValue(null,"index")));
  31. 					}
  32.  
  33. 					if ("setting".equals(xmlResParser.getName())) {
  34. 						readSetting = new Setting();
  35. 						readSetting.setType(xmlResParser.getAttributeValue(null,"type"));
  36. 					}
  37.  
  38. 					if ("extras".equals(xmlResParser.getName())) {
  39. 						settingExtras = new ArrayList<SettingExtra>();
  40. 					}
  41.  
  42. 					if ("extra".equals(xmlResParser.getName())) {
  43. 						readSettingExtra = new SettingExtra();
  44. 						readSettingExtra.setType(xmlResParser.getAttributeValue(null,"type"));
  45. 					}
  46.  
  47. 					if ("des".equals(xmlResParser.getName())) {
  48. 						if (readSettingExtra != null) {
  49. 							readSettingExtra.setDescription(xmlResParser.nextText());
  50. 						} else if (readSetting != null) {
  51. 							readSetting.setDescription(xmlResParser.nextText());
  52. 						} else if (readSettingArray != null) {
  53. 							readSettingArray.setDescription(xmlResParser.nextText());
  54. 						}
  55. 					}
  56.  
  57. 					if ("value".equals(xmlResParser.getName())) {
  58. 						if (readSettingExtra != null) {
  59. 							readSettingExtra.setValue(xmlResParser.nextText());
  60. 						} else if (readSetting != null) {
  61. 							readSetting.setValue(xmlResParser.nextText());
  62. 						}
  63. 					}
  64.  
  65. 					break;
  66. 				case XmlPullParser.END_TAG:
  67. 					if ("setting".equals(xmlResParser.getName())) {
  68. 						if (readSetting != null) {
  69. 							if (readSettingArray != null) {
  70. 								readSettingArray.getSettingArray().add(readSetting);
  71. 							} else {
  72. 								settingMap.put(readSetting.getType(),readSetting);
  73. 							}
  74. 						}
  75. 						Logger.d(TAG,String.format("parse new setting --->%s",JSON.toJSONString(readSetting)));
  76. 						readSetting = null;
  77. 					}
  78.  
  79. 					if ("setting-array".equals(xmlResParser.getName())) {
  80. 						settingArray.add(readSettingArray);
  81. 						Logger.d(TAG,String.format("parse new settingArray --->%s",JSON.toJSONString(readSettingArray)));
  82. 						readSettingArray = null;
  83. 					}
  84.  
  85. 					if ("extras".equals(xmlResParser.getName())) {
  86. 						if (readSetting != null)
  87. 							for (SettingExtra extra : settingExtras)
  88. 								readSetting.getExtras().put(extra.getType(),extra);
  89.  
  90. 						settingExtras = null;
  91. 					}
  92.  
  93. 					if ("extra".equals(xmlResParser.getName())) {
  94. 						settingExtras.add(readSettingExtra);
  95. 						Logger.d(TAG,String.format("parse new settingExtra --->%s",JSON.toJSONString(settingExtras)));
  96. 						readSettingExtra = null;
  97. 					}
  98. 				}
  99.  
  100. 				eventType = xmlResParser.next();
  101. 			}
  102. 		} catch (Exception e) {
  103. 			e.printStackTrace();
  104. 		} finally {
  105. //			if (xmlResParser != null)
  106. //				xmlResParser.close();
  107. 		}
  108.  
  109. 		for (SettingArray array : settingArray) {
  110. 			if (array.getSettingArray().size() > array.getIndex()) {
  111. 				Setting setting = array.getSettingArray().get(array.getIndex());
  112. 				setting.setType(array.getType());
  113. 				settingMap.put(setting.getType(),setting);
  114. 			}
  115. 		}
  116.  
  117. 		return settingMap;
  118. 	}

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