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AppResourceMgr.java
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AppResourceMgr.java
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package com.jingewenku.abrahamcaijin.commonutil;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
/**
* 主要功能:该工具类用于获取本地指定资源信息
*
* @Prject: CommonUtilLibrary
* @Package: com.jingewenku.abrahamcaijin.commonutil
* @author: AbrahamCaiJin
* @date: 2017年05月03日 16:37
* @Copyright: 个人版权所有
* @Company:
* @version: 1.0.0
*/
public class AppResourceMgr {
public static final String LAYTOUT="layout";
public static final String DRAWABLE="drawable";
public static final String MIPMAP="mipmap";
public static final String MENU="menu";
public static final String RAW="raw";
public static final String ANIM="anim";
public static final String STRING="string";
public static final String STYLE="style";
public static final String STYLEABLE="styleable";
public static final String INTEGER="integer";
public static final String ID="id";
public static final String DIMEN="dimen";
public static final String COLOR="color";
public static final String BOOL="bool";
public static final String ATTR="attr";
//TODO please add other strings by yourself
/**
* 根据本地Assets目录下资源名称,获取String数据信息
* @param context 上下文对象
* @param fileName 文件名称
* @return String 返回数据
*/
public static String getStringByAssets(Context context, String fileName) {
if (context == null || AppValidationMgr.isEmpty(fileName)) {
return null;
}
try {
StringBuilder s = new StringBuilder("");
InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
BufferedReader br = new BufferedReader(in);
String line;
while ((line = br.readLine()) != null) {
s.append(line);
}
return s.toString();
} catch (IOException e) {
e.printStackTrace();
AppLogMessageMgr.e("AppResourceMgr-->>getStringByAssets", "根据本地Assets目录下资源名称,获取String数据信息失败!" + e.getMessage());
return null;
}
}
/**
* 根据本地Assets目录下资源名称,获取List集合信息
* @param context 上下文对象
* @param fileName 文件名称
* @return List<String> 返回集合
*/
public static List<String> getListByAssets(Context context, String fileName) {
if (context == null || AppValidationMgr.isEmpty(fileName)) {
return null;
}
List<String> fileContent = new ArrayList<String>();
try {
InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
BufferedReader br = new BufferedReader(in);
String line;
while ((line = br.readLine()) != null) {
fileContent.add(line);
}
br.close();
return fileContent;
} catch (IOException e) {
e.printStackTrace();
AppLogMessageMgr.e("AppResourceMgr-->>getListByAssets", "根据本地Assets目录下资源名称,获取List集合信息失败!" + e.getMessage());
return null;
}
}
/**
* 根据本地Raw目录下资源标识,获取String数据信息
* @param context 上下文对象
* @param resId 资源标识
* @return String 返回数据
*/
public static String getStringByRaw(Context context, int resId) {
if (context == null) {
return null;
}
try {
StringBuilder s = new StringBuilder();
InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
BufferedReader br = new BufferedReader(in);
String line;
while ((line = br.readLine()) != null) {
s.append(line);
}
return s.toString();
} catch (IOException e) {
e.printStackTrace();
AppLogMessageMgr.e("AppResourceMgr-->>getStringByRaw", "根据本地Raw目录下资源标识,获取String数据信息失败!" + e.getMessage());
return null;
}
}
/**
* 根据本地Raw目录下资源标识,获取List集合信息
* @param context 上下文对象
* @param resId 资源标识
* @return List<String> 返回集合
*/
public static List<String> getListByRaw(Context context, int resId) {
if (context == null) {
return null;
}
List<String> fileContent = new ArrayList<String>();
BufferedReader reader = null;
try {
InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
reader = new BufferedReader(in);
String line = null;
while ((line = reader.readLine()) != null) {
fileContent.add(line);
}
reader.close();
return fileContent;
} catch (IOException e) {
e.printStackTrace();
AppLogMessageMgr.e("AppResourceMgr-->>getListByRaw", "根据本地Raw目录下资源标识,获取List集合信息失败!" + e.getMessage());
return null;
}
}
/**
* same to {@link #geFileFromRaw(Context, int)}, but return type is List<String>
*
* @param context
* @param resId
* @return
*/
public static List<String> geFileToListFromRaw(Context context, int resId) {
if (context == null) {
return null;
}
List<String> fileContent = new ArrayList<String>();
BufferedReader reader = null;
try {
InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
reader = new BufferedReader(in);
String line = null;
while ((line = reader.readLine()) != null) {
fileContent.add(line);
}
reader.close();
return fileContent;
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
/**
* 根据资源名获得资源id
* @param context 上下文
* @param name 资源名
* @param type 资源类型
* @return 资源id,找不到返回0
*/
public static int getResourceId(Context context,String name,String type){
Resources resources=null;
PackageManager pm=context.getPackageManager();
try {
resources=context.getResources();
return resources.getIdentifier(name, type, context.getPackageName());
} catch (Exception e) {
e.printStackTrace();
}
return 0;
}
/**
* 从assets目录下读取文件内容
*
* @param context 上下文
* @param fileName 文件名
* @return 文件字节流
*/
public static byte[] readBytesFromAssets(Context context, String fileName) {
InputStream is = null;
byte[] buffer = null;
try {
is = context.getAssets().open(fileName);
int size = is.available();
buffer = new byte[size];
is.read(buffer);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
is = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
return buffer;
}
/**
* 从res/raw目录下读取文件内容
*
* @param context 上下文
* @param rawId rawId
* @return 文件字节流
*/
public static byte[] readBytesFromRaw(Context context, int rawId) {
InputStream is = null;
byte[] buffer = null;
try {
is = context.getResources().openRawResource(rawId);
int size = is.available();
buffer = new byte[size];
is.read(buffer);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
is = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
return buffer;
}
/**
* 从assets目录读取文本
*
* @param context 上下文
* @param fileName 文件名
* @return 文本内容
*/
public static String readStringFromAssets(Context context, String fileName) {
String result = null;
byte[] buffer = readBytesFromAssets(context, fileName);
try {
result = new String(buffer, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
/**
* get an asset using ACCESS_STREAMING mode. This provides access to files that have been bundled with an
* application as assets -- that is, files placed in to the "assets" directory.
* 得到assets目录下某个文件内容
* @param context
* @param fileName The name of the asset to open. This name can be hierarchical.
* @return
*/
public static String geFileFromAssets(Context context, String fileName) {
if (context == null || AppStringUtils.isEmpty(fileName)) {
return null;
}
StringBuilder s = new StringBuilder("");
try {
InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
BufferedReader br = new BufferedReader(in);
String line;
while ((line = br.readLine()) != null) {
s.append(line);
}
return s.toString();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
/**
* 从raw目录读取文本
*
* @param context 上下文
* @param rawId id值
* @return 文本内容
*/
public static String readStringFromRaw(Context context, int rawId) {
String result = null;
byte[] buffer = readBytesFromRaw(context, rawId);
try {
result = new String(buffer, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
/**
* get content from a raw resource. This can only be used with resources whose value is the name of an asset files
* -- that is, it can be used to open drawable, sound, and raw resources; it will fail on string and color
* resources.
*得到raw目录下某个文件内容
* @param context
* @param resId The resource identifier to open, as generated by the appt tool.
* @return
*/
public static String geFileFromRaw(Context context, int resId) {
if (context == null) {
return null;
}
StringBuilder s = new StringBuilder();
try {
InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
BufferedReader br = new BufferedReader(in);
String line;
while ((line = br.readLine()) != null) {
s.append(line);
}
return s.toString();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
/**
* 获得字符串
* @param context 上下文
* @param strId 字符串id
* @return 字符串
*/
public static String getString(Context context,int strId){
return context.getResources().getString(strId);
}
/**
* 获得颜色
* @param context 上下文
* @param colorId 颜色id
* @return 颜色
*/
public static int getColor(Context context,int colorId){
return context.getResources().getColor(colorId);
}
/**
* 获得Drawable
* @param context 上下文
* @param drawableId Drawable的id
* @return Drawable
*/
public static Drawable getDrawable(Context context,int drawableId){
return context.getResources().getDrawable(drawableId);
}
/**
* 解压assets的zip压缩文件到指定目录
*
* @param context 上下文对象
* @param assetName 压缩文件名
* @param outputDirectory 输出目录
* @param isReWrite 是否覆盖
* @throws IOException
*/
public static void unZip(Context context, String assetName, String outputDirectory, boolean isReWrite)
throws IOException {
File file = new File(outputDirectory);
if (!file.exists()) {
file.mkdirs();
}
// 打开压缩文件
InputStream inputStream = context.getAssets().open(assetName);
ZipInputStream zipInputStream = new ZipInputStream(inputStream);
// 读取一个进入点
ZipEntry zipEntry = zipInputStream.getNextEntry();
byte[] buffer = new byte[1024 * 1024];
int count = 0;
while (zipEntry != null) {
// 如果是一个目录
if (zipEntry.isDirectory()) {
file = new File(outputDirectory + File.separator + zipEntry.getName());
// 文件需要覆盖或者是文件不存在
if (isReWrite || !file.exists()) {
file.mkdir();
}
} else {
// 如果是文件
file = new File(outputDirectory + File.separator + zipEntry.getName());
// 文件需要覆盖或者文件不存在,则解压文件
if (isReWrite || !file.exists()) {
file.createNewFile();
FileOutputStream fileOutputStream = new FileOutputStream(file);
while ((count = zipInputStream.read(buffer)) > 0) {
fileOutputStream.write(buffer, 0, count);
}
fileOutputStream.close();
}
}
// 定位到下一个文件入口
zipEntry = zipInputStream.getNextEntry();
}
zipInputStream.close();
}
}