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package org.apg;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.apg.Apg.GeneralException;
import org.apg.R;
import android.content.Context;
import android.net.Uri;
import android.os.Environment;
public class DataSource {
private Uri mContentUri = null;
private String mText = null;
private byte[] mData = null;
public DataSource() {
}
public void setUri(Uri uri) {
mContentUri = uri;
mText = null;
mData = null;
}
public void setUri(String uri) {
if (uri.startsWith("/")) {
setUri(Uri.parse("file://" + uri));
} else {
setUri(Uri.parse(uri));
}
}
public void setText(String text) {
mText = text;
mData = null;
mContentUri = null;
}
public void setData(byte[] data) {
mData = data;
mText = null;
mContentUri = null;
}
public boolean isText() {
return mText != null;
}
public boolean isBinary() {
return mData != null || mContentUri != null;
}
public InputData getInputData(Context context, boolean withSize) throws GeneralException,
FileNotFoundException, IOException {
InputStream in = null;
long size = 0;
if (mContentUri != null) {
if (mContentUri.getScheme().equals("file")) {
// get the rest after "file://"
String path = Uri.decode(mContentUri.toString().substring(7));
if (path.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
throw new GeneralException(
context.getString(R.string.error_externalStorageNotReady));
}
}
in = new FileInputStream(path);
File file = new File(path);
if (withSize) {
size = file.length();
}
} else {
in = context.getContentResolver().openInputStream(mContentUri);
if (withSize) {
InputStream tmp = context.getContentResolver().openInputStream(mContentUri);
size = Apg.getLengthOfStream(tmp);
tmp.close();
}
}
} else if (mText != null || mData != null) {
byte[] bytes = null;
if (mData != null) {
bytes = mData;
} else {
bytes = mText.getBytes();
}
in = new ByteArrayInputStream(bytes);
if (withSize) {
size = bytes.length;
}
}
return new InputData(in, size);
}
}
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