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package org.apache.tuscany.sca.android;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import android.content.Context;
public class DexResource {
private URL url;
private String folder;
private String file;
public DexResource(URL url) {
String protocol = url.getProtocol();
if (!"dex".equals(protocol)) {
throw new IllegalArgumentException("The URL protocol should be \"dex\"");
}
String host = url.getHost();
if ("".equals(host)) {
throw new IllegalArgumentException("The host should not be empty!");
}
String path = url.getPath();
file = getFile(path);
folder = getFolder(path);
if (file != null && file.indexOf('/') != -1) {
throw new IllegalArgumentException("The dex URL format should be: dex:/<package>/[<folder>]/[<file>] only");
}
this.url = url;
}
public static String getFolder(String path) {
String file = path.trim();
int firstSlashIndex = file.indexOf('/');
if ("".equals(file) || "/".equals(file) || firstSlashIndex == -1 || firstSlashIndex >= file.length() - 1) {
return null;
}
int secondSlashIndex = file.indexOf("/", firstSlashIndex + 1);
if (secondSlashIndex == -1 || secondSlashIndex >= file.length() - 1 || firstSlashIndex == secondSlashIndex - 1) {
return null;
}
return file.substring(firstSlashIndex + 1, secondSlashIndex);
}
public static String getFile(String path) {
String file = path.trim();
int firstSlashIndex = file.indexOf('/');
if ("".equals(file) || "/".equals(file) || firstSlashIndex == -1 || firstSlashIndex >= file.length() - 1) {
return null;
}
int secondSlashIndex = file.indexOf("/", firstSlashIndex + 1);
if (secondSlashIndex == -1 || secondSlashIndex >= file.length() - 1 || firstSlashIndex == secondSlashIndex - 1) {
return null;
}
return file.substring(secondSlashIndex + 1);
}
public String getFolderName() {
return folder;
}
public Context getContext() {
Context[] contexts = ContextRegistry.getContexts(url.getHost());
if (contexts.length == 0) {
return null;
}
return contexts[0];
}
public String getFileName() {
return file;
}
public boolean isPackage() {
return folder == null;
}
public boolean isFolder() {
return file == null && folder != null;
}
public boolean isFile() {
return file != null;
}
public String getPackageName() {
return url.getHost();
}
public URI[] getContentFiles() throws IOException {
if (isFile()) {
throw new UnsupportedOperationException("Not supported when the resource is a file!");
}
String packageName = url.getHost();
Context[] contexts = ContextRegistry.getContexts(packageName);
if (contexts.length == 0) {
throw new IOException("Android context not found!");
}
Context context = contexts[0];
ArrayList<URI> files = new ArrayList<URI>();
StringBuffer className = new StringBuffer(packageName).append(".R");
if (isPackage()) {
ClassLoader classLoader = context.getClass().getClassLoader();
try {
for (String folderName : new String[] {"raw", "xml"}) {
Class clazz = classLoader.loadClass(className.toString() + '$' + folderName);
folderName = '/' + folderName + '/';
Field[] fields = clazz.getFields();
for (Field field : fields) {
try {
files.add(new URI("dex://" + packageName + folderName + field.getName()));
} catch (URISyntaxException e) {}
}
}
} catch (ClassNotFoundException e) {}
} else {
try {
className.append('$').append(folder);
Class clazz = getClass().getClassLoader().loadClass(className.toString());
String folderName = '/' + clazz.getSimpleName() + '/';
Field[] fields = clazz.getFields();
for (Field field : fields) {
try {
files.add(new URI("dex://" + packageName + folderName + field.getName()));
} catch (URISyntaxException e) {}
}
} catch (ClassNotFoundException e) {
throw new IOException("Resource not found!");
}
}
URI[] ret = new URI[files.size()];
files.toArray(ret);
return ret;
}
public URL getURL() {
return url;
}
}
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