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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.voicemail.impl.mail.store.imap;
import com.android.voicemail.impl.VvmLog;
import com.android.voicemail.impl.mail.FixedLengthInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
/** Subclass of {@link ImapString} used for literals backed by an in-memory byte array. */
public class ImapMemoryLiteral extends ImapString {
private final String TAG = "ImapMemoryLiteral";
private byte[] mData;
/* package */ ImapMemoryLiteral(FixedLengthInputStream in) throws IOException {
// We could use ByteArrayOutputStream and IOUtils.copy, but it'd perform an unnecessary
// copy....
mData = new byte[in.getLength()];
int pos = 0;
while (pos < mData.length) {
int read = in.read(mData, pos, mData.length - pos);
if (read < 0) {
break;
}
pos += read;
}
if (pos != mData.length) {
VvmLog.w(TAG, "length mismatch");
}
}
@Override
public void destroy() {
mData = null;
super.destroy();
}
@Override
public String getString() {
try {
return new String(mData, "US-ASCII");
} catch (UnsupportedEncodingException e) {
VvmLog.e(TAG, "Unsupported encoding: ", e);
}
return null;
}
@Override
public InputStream getAsStream() {
return new ByteArrayInputStream(mData);
}
@Override
public String toString() {
return String.format("{%d byte literal(memory)}", mData.length);
}
}
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