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