diff options
Diffstat (limited to 'java/com/android/voicemailomtp/mail/FixedLengthInputStream.java')
-rw-r--r-- | java/com/android/voicemailomtp/mail/FixedLengthInputStream.java | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/java/com/android/voicemailomtp/mail/FixedLengthInputStream.java b/java/com/android/voicemailomtp/mail/FixedLengthInputStream.java deleted file mode 100644 index 65655efd5..000000000 --- a/java/com/android/voicemailomtp/mail/FixedLengthInputStream.java +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (C) 2015 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; - -import java.io.IOException; -import java.io.InputStream; - -/** - * A filtering InputStream that stops allowing reads after the given length has been read. This - * is used to allow a client to read directly from an underlying protocol stream without reading - * past where the protocol handler intended the client to read. - */ -public class FixedLengthInputStream extends InputStream { - private final InputStream mIn; - private final int mLength; - private int mCount; - - public FixedLengthInputStream(InputStream in, int length) { - this.mIn = in; - this.mLength = length; - } - - @Override - public int available() throws IOException { - return mLength - mCount; - } - - @Override - public int read() throws IOException { - if (mCount < mLength) { - mCount++; - return mIn.read(); - } else { - return -1; - } - } - - @Override - public int read(byte[] b, int offset, int length) throws IOException { - if (mCount < mLength) { - int d = mIn.read(b, offset, Math.min(mLength - mCount, length)); - if (d == -1) { - return -1; - } else { - mCount += d; - return d; - } - } else { - return -1; - } - } - - @Override - public int read(byte[] b) throws IOException { - return read(b, 0, b.length); - } - - public int getLength() { - return mLength; - } - - @Override - public String toString() { - return String.format("FixedLengthInputStream(in=%s, length=%d)", mIn.toString(), mLength); - } -}
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