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remove the grammar copying from the Android UI since now we can load grammars from InputStream

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kr.angelov
2013-10-04 20:31:58 +00:00
parent a35b286ce0
commit c015af71a1
1 changed files with 11 additions and 27 deletions
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38
src/ui/android/src/org/grammaticalframework/ui/android/Translator.java
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@@ -8,11 +8,9 @@ import org.grammaticalframework.pgf.Expr;
import org.grammaticalframework.pgf.PGF;
import org.grammaticalframework.pgf.ParseError;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.List;
@@ -89,38 +87,24 @@ public class Translator {
private synchronized void ensureLoaded(String grammarName) {
if (mPgf != null) return;
InputStream in = null;
try {
// TODO: use PGF API to read this directly from assets
Log.d(TAG, "Copying grammar...");
File file = copyAsset(grammarName);
Log.d(TAG, "Trying to open " + file);
mPgf = PGF.readPGF(file.getPath());
in = getContext().getAssets().open(grammarName);
Log.d(TAG, "Trying to open " + grammarName);
mPgf = PGF.readPGF(in);
} catch (FileNotFoundException e) {
Log.e(TAG, "File not found", e);
} catch (IOException e) {
Log.e(TAG, "Error loading grammar", e);
}
}
private File copyAsset(String asset) throws IOException {
InputStream in = null;
OutputStream out = null;
try {
in = getContext().getAssets().open(asset);
out = getContext().openFileOutput(asset, Context.MODE_PRIVATE);
byte[] buf = new byte[4096];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
return getContext().getFileStreamPath(asset);
} finally {
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}