| | |
| | | /* |
| | | * Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors |
| | | * |
| | | * 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 org.openmuc.josistack; |
| | | |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.nio.ByteBuffer; |
| | | |
| | | /** |
| | | * Simple InputStream wrapper around a {@link ByteBuffer} object |
| | | * |
| | | * @author Karsten Mueller-Bier |
| | | */ |
| | | public final class ByteBufferInputStream extends InputStream { |
| | | |
| | | private final ByteBuffer buf; |
| | | |
| | | public ByteBufferInputStream(ByteBuffer buf) { |
| | | this.buf = buf; |
| | | } |
| | | |
| | | @Override |
| | | public int read() throws IOException { |
| | | if (buf.hasRemaining() == false) { |
| | | return -1; |
| | | } |
| | | return buf.get() & 0xFF; |
| | | } |
| | | |
| | | @Override |
| | | public int read(byte[] b, int off, int len) throws IOException { |
| | | if (buf.hasRemaining() == false) { |
| | | return -1; |
| | | } |
| | | int size = Math.min(len, available()); |
| | | |
| | | buf.get(b, off, size); |
| | | return size; |
| | | } |
| | | |
| | | @Override |
| | | public int available() throws IOException { |
| | | return buf.limit() - buf.position(); |
| | | } |
| | | } |
| | | /*
|
| | | * Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors
|
| | | *
|
| | | * 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 org.openmuc.josistack;
|
| | |
|
| | | import java.io.IOException;
|
| | | import java.io.InputStream;
|
| | | import java.nio.ByteBuffer;
|
| | |
|
| | | /**
|
| | | * Simple InputStream wrapper around a {@link ByteBuffer} object
|
| | | * |
| | | * @author Karsten Mueller-Bier
|
| | | */
|
| | | public final class ByteBufferInputStream extends InputStream {
|
| | |
|
| | | private final ByteBuffer buf;
|
| | |
|
| | | public ByteBufferInputStream(ByteBuffer buf) {
|
| | | this.buf = buf;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public int read() throws IOException {
|
| | | if (buf.hasRemaining() == false) {
|
| | | return -1;
|
| | | }
|
| | | return buf.get() & 0xFF;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public int read(byte[] b, int off, int len) throws IOException {
|
| | | if (buf.hasRemaining() == false) {
|
| | | return -1;
|
| | | }
|
| | | int size = Math.min(len, available());
|
| | |
|
| | | buf.get(b, off, size);
|
| | | return size;
|
| | | }
|
| | |
|
| | | @Override
|
| | | public int available() throws IOException {
|
| | | return buf.limit() - buf.position();
|
| | | }
|
| | | }
|