diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/AbstractContainerBox.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/AbstractContainerBox.java.svn-base | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/AbstractContainerBox.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/AbstractContainerBox.java.svn-base deleted file mode 100644 index 93369f3..0000000 --- a/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/AbstractContainerBox.java.svn-base +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright 2008 CoreMedia AG, Hamburg - * - * 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.googlecode.mp4parser; - -import com.coremedia.iso.BoxParser; -import com.coremedia.iso.boxes.Box; -import com.coremedia.iso.boxes.ContainerBox; -import com.googlecode.mp4parser.util.ByteBufferByteChannel; - -import java.io.IOException; -import java.nio.ByteBuffer; -import java.nio.channels.ReadableByteChannel; -import java.nio.channels.WritableByteChannel; -import java.util.ArrayList; -import java.util.Collections; -import java.util.LinkedList; -import java.util.List; -import java.util.logging.Logger; - - -/** - * Abstract base class suitable for most boxes acting purely as container for other boxes. - */ -public abstract class AbstractContainerBox extends AbstractBox implements ContainerBox { - private static Logger LOG = Logger.getLogger(AbstractContainerBox.class.getName()); - - protected List<Box> boxes = new LinkedList<Box>(); - protected BoxParser boxParser; - - @Override - protected long getContentSize() { - long contentSize = 0; - for (Box boxe : boxes) { - contentSize += boxe.getSize(); - } - return contentSize; - } - - public AbstractContainerBox(String type) { - super(type); - } - - public List<Box> getBoxes() { - return Collections.unmodifiableList(boxes); - } - - public void setBoxes(List<Box> boxes) { - this.boxes = new LinkedList<Box>(boxes); - } - - @SuppressWarnings("unchecked") - public <T extends Box> List<T> getBoxes(Class<T> clazz) { - return getBoxes(clazz, false); - } - - @SuppressWarnings("unchecked") - public <T extends Box> List<T> getBoxes(Class<T> clazz, boolean recursive) { - List<T> boxesToBeReturned = new ArrayList<T>(2); - for (Box boxe : boxes) { - //clazz.isInstance(boxe) / clazz == boxe.getClass()? - // I hereby finally decide to use isInstance - - if (clazz.isInstance(boxe)) { - boxesToBeReturned.add((T) boxe); - } - - if (recursive && boxe instanceof ContainerBox) { - boxesToBeReturned.addAll(((ContainerBox) boxe).getBoxes(clazz, recursive)); - } - } - return boxesToBeReturned; - } - - /** - * Add <code>b</code> to the container and sets the parent correctly. - * - * @param b will be added to the container - */ - public void addBox(Box b) { - b.setParent(this); - boxes.add(b); - } - - public void removeBox(Box b) { - b.setParent(this); - boxes.remove(b); - } - - @Override - public void parse(ReadableByteChannel readableByteChannel, ByteBuffer header, long contentSize, BoxParser boxParser) throws IOException { - super.parse(readableByteChannel, header, contentSize, boxParser); - this.boxParser = boxParser; - } - - @Override - public void _parseDetails(ByteBuffer content) { - parseChildBoxes(content); - } - - - public String toString() { - StringBuilder buffer = new StringBuilder(); - - buffer.append(this.getClass().getSimpleName()).append("["); - for (int i = 0; i < boxes.size(); i++) { - if (i > 0) { - buffer.append(";"); - } - buffer.append(boxes.get(i).toString()); - } - buffer.append("]"); - return buffer.toString(); - } - - /** - * The number of bytes from box start (first length byte) to the - * first length byte of the first child box - * - * @return offset to first child box - */ - public long getNumOfBytesToFirstChild() { - return 8; - } - - @Override - protected void getContent(ByteBuffer byteBuffer) { - writeChildBoxes(byteBuffer); - } - - protected final void parseChildBoxes(ByteBuffer content) { - try { - while (content.remaining() >= 8) { // 8 is the minimal size for a sane box - boxes.add(boxParser.parseBox(new ByteBufferByteChannel(content), this)); - } - - if (content.remaining() != 0) { - setDeadBytes(content.slice()); - LOG.warning("Something's wrong with the sizes. There are dead bytes in a container box."); - } - } catch (IOException e) { - throw new RuntimeException(e); - } - } - - protected final void writeChildBoxes(ByteBuffer bb) { - WritableByteChannel wbc = new ByteBufferByteChannel(bb); - for (Box box : boxes) { - try { - box.getBox(wbc); - } catch (IOException e) { - // My WritableByteChannel won't throw any excpetion - throw new RuntimeException("Cannot happen to me", e); - } - } - } - -} |