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Diffstat (limited to 'java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java')
-rw-r--r-- | java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java b/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java new file mode 100644 index 000000000..ad60ca7a4 --- /dev/null +++ b/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java @@ -0,0 +1,76 @@ +/* + * 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.voicemailomtp.mail.store.imap; + +import com.android.voicemailomtp.mail.FixedLengthInputStream; +import com.android.voicemailomtp.VvmLog; + +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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