Revision: 5843
http://jnode.svn.sourceforge.net/jnode/?rev=5843&view=rev
Author: galatnm
Date: 2011-08-04 12:57:47 +0000 (Thu, 04 Aug 2011)
Log Message:
-----------
Fix HFS+ cast exception.
Modified Paths:
--------------
trunk/fs/src/fs/org/jnode/fs/hfsplus/HfsPlusDirectory.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/Catalog.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/extent/ExtentNode.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/AbstractNode.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/Node.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/NodeDescriptor.java
Added Paths:
-----------
trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogIndexNode.java
trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogLeafNode.java
Removed Paths:
-------------
trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogNode.java
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/HfsPlusDirectory.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/HfsPlusDirectory.java 2011-08-02
20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/HfsPlusDirectory.java 2011-08-04
12:57:47 UTC (rev 5843)
@@ -17,7 +17,7 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus;
import java.io.FileNotFoundException;
@@ -127,6 +127,7 @@
@Override
public Iterator<? extends FSEntry> iterator() throws IOException {
+ checkEntriesLoaded();
return entries.iterator();
}
@@ -161,6 +162,7 @@
try {
if (rights.canRead()) {
entries = readEntries();
+ log.debug("Load " + entries.size() + " entrie(s).");
} else {
// the next time, we will call checkEntriesLoaded()
// we will retry to load entries
@@ -226,8 +228,9 @@
Catalog catalog = fs.getCatalog();
Superblock volumeHeader = ((HfsPlusFileSystem)
getFileSystem()).getVolumeHeader();
LeafRecord folderRecord =
- catalog.createNode(name, this.folder.getFolderId(), new
CatalogNodeId(volumeHeader
- .getNextCatalogId()),
CatalogFolder.RECORD_TYPE_FOLDER_THREAD);
+ catalog.createNode(name, this.folder.getFolderId(),
+ new CatalogNodeId(volumeHeader.getNextCatalogId()),
+ CatalogFolder.RECORD_TYPE_FOLDER_THREAD);
folder.setValence(folder.getValence() + 1);
HfsPlusEntry newEntry = new HfsPlusDirectory(fs, this, name,
folderRecord);
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/Catalog.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/Catalog.java 2011-08-02
20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/Catalog.java 2011-08-04
12:57:47 UTC (rev 5843)
@@ -17,7 +17,7 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus.catalog;
import java.io.IOException;
@@ -27,8 +27,8 @@
import org.apache.log4j.Logger;
import org.jnode.fs.hfsplus.HFSPlusParams;
+import org.jnode.fs.hfsplus.HfsPlusFileSystem;
import org.jnode.fs.hfsplus.HfsUnicodeString;
-import org.jnode.fs.hfsplus.HfsPlusFileSystem;
import org.jnode.fs.hfsplus.Superblock;
import org.jnode.fs.hfsplus.extent.ExtentDescriptor;
import org.jnode.fs.hfsplus.tree.BTHeaderRecord;
@@ -41,19 +41,19 @@
private final Logger log = Logger.getLogger(getClass());
private HfsPlusFileSystem fs;
-
+
/**
* B-Tree node descriptor
*/
private NodeDescriptor btnd;
-
+
/**
* B-Tree Header record
*/
private BTHeaderRecord bthr;
-
+
private int catalogHeaderNodeOffset;
-
+
private ByteBuffer buffer;
/**
@@ -84,7 +84,7 @@
}
}
-
+
/**
* Create new Catalog
*
@@ -105,8 +105,8 @@
log.info("Create catalog header record.");
bthr =
new BTHeaderRecord(1, 1, params.getInitializeNumRecords(), 1,
1, nodeSize,
- CatalogKey.MAXIMUM_KEY_LENGTH, totalNodes, freeNodes,
params
- .getCatalogClumpSize(),
BTHeaderRecord.BT_TYPE_HFS,
+ CatalogKey.MAXIMUM_KEY_LENGTH, totalNodes, freeNodes,
+ params.getCatalogClumpSize(),
BTHeaderRecord.BT_TYPE_HFS,
BTHeaderRecord.KEY_COMPARE_TYPE_CASE_FOLDING,
BTHeaderRecord.BT_VARIABLE_INDEX_KEYS_MASK +
BTHeaderRecord.BT_BIG_KEYS_MASK);
@@ -117,9 +117,9 @@
bufferLength += (rootNodePosition - bufferLength);
// Create node descriptor
NodeDescriptor nd =
- new NodeDescriptor(0, 0, NodeDescriptor.BT_LEAF_NODE, 1, params
- .getInitializeNumRecords());
- CatalogNode rootNode = new CatalogNode(nd, nodeSize);
+ new NodeDescriptor(0, 0, NodeDescriptor.BT_LEAF_NODE, 1,
+ params.getInitializeNumRecords());
+ CatalogLeafNode rootNode = new CatalogLeafNode(nd, nodeSize);
// First record (folder)
HfsUnicodeString name = new HfsUnicodeString(params.getVolumeName());
CatalogKey ck = new CatalogKey(CatalogNodeId.HFSPLUS_POR_CNID, name);
@@ -142,6 +142,7 @@
buffer.put(rootNode.getBytes());
buffer.rewind();
}
+
/**
* Save catalog file to disk.
*
@@ -168,7 +169,7 @@
LeafRecord record = this.getRecord(parentId, name);
if (record == null) {
NodeDescriptor nd = new NodeDescriptor(0, 0,
NodeDescriptor.BT_LEAF_NODE, 1, 2);
- CatalogNode node = new CatalogNode(nd, 8192);
+ CatalogLeafNode node = new CatalogLeafNode(nd, 8192);
CatalogKey key = new CatalogKey(parentId, name);
CatalogThread thread = new CatalogThread(nodeType, parentId, name);
record = new LeafRecord(key, thread.getBytes());
@@ -185,7 +186,7 @@
}
return record;
}
-
+
/**
* @param parentID
* @return the leaf record, or possibly {code null}.
@@ -200,18 +201,21 @@
nodeData);
nodeData.rewind();
byte[] data = ByteBufferUtils.toArray(nodeData);
- CatalogNode node = new CatalogNode(data, nodeSize);
- while (node.isIndexNode()) {
+ NodeDescriptor nd = new NodeDescriptor(nodeData.array(), 0);
+
+ while (nd.isIndexNode()) {
+ CatalogIndexNode node = new CatalogIndexNode(data, nodeSize);
IndexRecord record = (IndexRecord) node.find(parentID);
currentOffset = catalogHeaderNodeOffset + (record.getIndex() *
nodeSize);
nodeData = ByteBuffer.allocate(nodeSize);
fs.getApi().read(currentOffset, nodeData);
nodeData.rewind();
data = ByteBufferUtils.toArray(nodeData);
- node = new CatalogNode(data, nodeSize);
+ nd = new NodeDescriptor(nodeData.array(), 0);
}
- if (node.isLeafNode()) {
+ if (nd.isLeafNode()) {
+ CatalogLeafNode node = new CatalogLeafNode(data, nodeSize);
lr = (LeafRecord) node.find(parentID);
}
return lr;
@@ -245,9 +249,10 @@
int nodeSize = getBTHeaderRecord().getNodeSize();
ByteBuffer nodeData = ByteBuffer.allocate(nodeSize);
fs.getApi().read(catalogHeaderNodeOffset + (currentNodeNumber *
nodeSize), nodeData);
- CatalogNode node = new CatalogNode(nodeData.array(), nodeSize);
- if (node.isIndexNode()) {
- IndexRecord[] records = (IndexRecord[])
node.findChildren(parentID);
+ NodeDescriptor nd = new NodeDescriptor(nodeData.array(), 0);
+ if (nd.isIndexNode()) {
+ CatalogIndexNode node = new CatalogIndexNode(nodeData.array(),
nodeSize);
+ IndexRecord[] records = (IndexRecord[]) node.findAll(parentID);
List<LeafRecord> lfList = new LinkedList<LeafRecord>();
for (IndexRecord rec : records) {
LeafRecord[] lfr = getRecords(parentID, rec.getIndex());
@@ -256,7 +261,8 @@
}
}
return lfList.toArray(new LeafRecord[lfList.size()]);
- } else if (node.isLeafNode()) {
+ } else if (nd.isLeafNode()) {
+ CatalogLeafNode node = new CatalogLeafNode(nodeData.array(),
nodeSize);
return (LeafRecord[]) node.findAll(parentID);
} else {
return null;
@@ -280,19 +286,21 @@
int nodeSize = getBTHeaderRecord().getNodeSize();
ByteBuffer nodeData = ByteBuffer.allocate(nodeSize);
fs.getApi().read(catalogHeaderNodeOffset + (currentNodeNumber *
nodeSize), nodeData);
- CatalogNode node = new CatalogNode(nodeData.array(), nodeSize);
+ NodeDescriptor nd = new NodeDescriptor(nodeData.array(), 0);
int currentOffset = 0;
CatalogKey cKey = new CatalogKey(parentID, nodeName);
- while (node.isIndexNode()) {
+ while (nd.isIndexNode()) {
+ CatalogIndexNode node = new CatalogIndexNode(nodeData.array(),
nodeSize);
IndexRecord record = (IndexRecord) node.find(cKey);
currentNodeNumber = record.getIndex();
currentOffset = catalogHeaderNodeOffset + record.getIndex() *
nodeSize;
nodeData = ByteBuffer.allocate(nodeSize);
fs.getApi().read(currentOffset, buffer);
- node = new CatalogNode(nodeData.array(), nodeSize);
+ node = new CatalogIndexNode(nodeData.array(), nodeSize);
}
LeafRecord lr = null;
- if (node.isLeafNode()) {
+ if (nd.isLeafNode()) {
+ CatalogLeafNode node = new CatalogLeafNode(nodeData.array(),
nodeSize);
lr = (LeafRecord) node.find(parentID);
}
return lr;
Copied: trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogIndexNode.java
(from rev 5842, trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogNode.java)
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogIndexNode.java
(rev 0)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogIndexNode.java
2011-08-04 12:57:47 UTC (rev 5843)
@@ -0,0 +1,125 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2003-2010 JNode.org
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; If not, write to the Free Software Foundation,
Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package org.jnode.fs.hfsplus.catalog;
+
+import java.util.LinkedList;
+
+import org.jnode.fs.hfsplus.tree.AbstractNode;
+import org.jnode.fs.hfsplus.tree.IndexRecord;
+import org.jnode.fs.hfsplus.tree.Key;
+import org.jnode.fs.hfsplus.tree.NodeDescriptor;
+
+public class CatalogIndexNode extends AbstractNode<IndexRecord> {
+
+ /**
+ * Create a new node.
+ *
+ * @param descriptor
+ * @param nodeSize
+ */
+ public CatalogIndexNode(NodeDescriptor descriptor, final int nodeSize) {
+ super(descriptor, nodeSize);
+ }
+
+ /**
+ * Create node from existing data.
+ *
+ * @param nodeData
+ * @param nodeSize
+ */
+ public CatalogIndexNode(final byte[] nodeData, final int nodeSize) {
+ super(nodeData, nodeSize);
+
+ }
+
+ @Override
+ protected void loadRecords(final byte[] nodeData) {
+ CatalogKey key;
+ int offset;
+ for (int i = 0; i < this.descriptor.getNumRecords(); i++) {
+ offset = offsets.get(i);
+ key = new CatalogKey(nodeData, offset);
+ records.add(new IndexRecord(key, nodeData, offset));
+ }
+ }
+
+ /**
+ * @param parentId
+ * @return a NodeRecord or {@code null}
+ */
+ public final IndexRecord find(final CatalogNodeId parentId) {
+ for (IndexRecord record : records) {
+ Key key = record.getKey();
+ if (key instanceof CatalogKey) {
+ if (((CatalogKey) key).getParentId().getId() ==
parentId.getId()) {
+ return record;
+ }
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Find node record based on it's key.
+ *
+ * @param key The key to search.
+ * @return a NodeRecord or {@code null}
+ */
+ public IndexRecord find(final CatalogKey key) {
+ IndexRecord largestMatchingRecord = null;
+ for (int index = 0; index < this.getNodeDescriptor().getNumRecords();
index++) {
+ IndexRecord record = this.getNodeRecord(index);
+ if ((record.getKey().compareTo(key) <= 0)) {
+ if (largestMatchingRecord != null &&
+
record.getKey().compareTo(largestMatchingRecord.getKey()) > 0) {
+ largestMatchingRecord = record;
+ }
+ }
+ }
+ return largestMatchingRecord;
+ }
+
+ /**
+ * @param parentId
+ * @return an array of NodeRecords
+ */
+ public final IndexRecord[] findAll(final CatalogNodeId parentId) {
+ LinkedList<IndexRecord> result = new LinkedList<IndexRecord>();
+ IndexRecord largestMatchingRecord = null;
+ CatalogKey largestMatchingKey = null;
+ for (IndexRecord record : records) {
+ CatalogKey key = (CatalogKey) record.getKey();
+ if (key.getParentId().getId() < parentId.getId() &&
+ (largestMatchingKey == null ||
key.compareTo(largestMatchingKey) > 0)) {
+ largestMatchingKey = key;
+ largestMatchingRecord = record;
+ } else if (key.getParentId().getId() == parentId.getId()) {
+ result.addLast(record);
+ }
+ }
+
+ if (largestMatchingKey != null) {
+ result.addFirst(largestMatchingRecord);
+ }
+ return result.toArray(new IndexRecord[result.size()]);
+ }
+
+}
Added: trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogLeafNode.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogLeafNode.java
(rev 0)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogLeafNode.java
2011-08-04 12:57:47 UTC (rev 5843)
@@ -0,0 +1,79 @@
+package org.jnode.fs.hfsplus.catalog;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.jnode.fs.hfsplus.tree.AbstractNode;
+import org.jnode.fs.hfsplus.tree.Key;
+import org.jnode.fs.hfsplus.tree.LeafRecord;
+import org.jnode.fs.hfsplus.tree.NodeDescriptor;
+import org.jnode.fs.hfsplus.tree.NodeRecord;
+
+public class CatalogLeafNode extends AbstractNode<LeafRecord> {
+ /**
+ * Create a new node.
+ *
+ * @param descriptor
+ * @param nodeSize
+ */
+ public CatalogLeafNode(NodeDescriptor descriptor, final int nodeSize) {
+ super(descriptor, nodeSize);
+ }
+
+ /**
+ * Create node from existing data.
+ *
+ * @param nodeData
+ * @param nodeSize
+ */
+ public CatalogLeafNode(final byte[] nodeData, final int nodeSize) {
+ super(nodeData, nodeSize);
+
+ }
+
+ @Override
+ protected void loadRecords(byte[] nodeData) {
+ CatalogKey key;
+ int offset;
+ for (int i = 0; i < this.descriptor.getNumRecords(); i++) {
+ offset = offsets.get(i);
+ key = new CatalogKey(nodeData, offset);
+ int recordSize = offsets.get(i + 1) - offset;
+ records.add(new LeafRecord(key, nodeData, offset, recordSize));
+ }
+ }
+
+ /**
+ * @param parentId
+ * @return a NodeRecord or {@code null}
+ */
+ public final LeafRecord find(final CatalogNodeId parentId) {
+ for (LeafRecord record : records) {
+ Key key = record.getKey();
+ if (key instanceof CatalogKey) {
+ if (((CatalogKey) key).getParentId().getId() ==
parentId.getId()) {
+ return record;
+ }
+ }
+ }
+ return null;
+ }
+
+ /**
+ * @param parentId
+ * @return an array of NodeRecords
+ */
+ public final LeafRecord[] findAll(final CatalogNodeId parentId) {
+ List<NodeRecord> list = new LinkedList<NodeRecord>();
+ for (int index = 0; index < this.getNodeDescriptor().getNumRecords();
index++) {
+ NodeRecord record = this.getNodeRecord(index);
+ Key key = record.getKey();
+ if (key instanceof CatalogKey &&
+ ((CatalogKey) key).getParentId().getId() ==
parentId.getId()) {
+ list.add(record);
+ }
+ }
+ return list.toArray(new LeafRecord[list.size()]);
+ }
+
+}
Property changes on:
trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogLeafNode.java
___________________________________________________________________
Added: svn:mime-type
+ text/plain
Deleted: trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogNode.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogNode.java
2011-08-02 20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/catalog/CatalogNode.java
2011-08-04 12:57:47 UTC (rev 5843)
@@ -1,160 +0,0 @@
-/*
- * $Id$
- *
- * Copyright (C) 2003-2010 JNode.org
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; If not, write to the Free Software Foundation,
Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-package org.jnode.fs.hfsplus.catalog;
-
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.jnode.fs.hfsplus.tree.AbstractNode;
-import org.jnode.fs.hfsplus.tree.IndexRecord;
-import org.jnode.fs.hfsplus.tree.Key;
-import org.jnode.fs.hfsplus.tree.LeafRecord;
-import org.jnode.fs.hfsplus.tree.NodeDescriptor;
-import org.jnode.fs.hfsplus.tree.NodeRecord;
-import org.jnode.util.BigEndian;
-
-public class CatalogNode extends AbstractNode {
-
- /**
- * Create a new node.
- * @param descriptor
- * @param nodeSize
- */
- public CatalogNode(NodeDescriptor descriptor, final int nodeSize) {
- this.descriptor = descriptor;
- this.size = nodeSize;
- this.records = new ArrayList<NodeRecord>(descriptor.getNumRecords());
- this.offsets = new ArrayList<Integer>(descriptor.getNumRecords() + 1);
-
this.offsets.add(Integer.valueOf(NodeDescriptor.BT_NODE_DESCRIPTOR_LENGTH));
- }
-
- /**
- * Create node from existing data.
- * @param nodeData
- * @param nodeSize
- */
- public CatalogNode(final byte[] nodeData, final int nodeSize) {
- this.descriptor = new NodeDescriptor(nodeData, 0);
- this.size = nodeSize;
- this.records = new
ArrayList<NodeRecord>(this.descriptor.getNumRecords());
- this.offsets = new ArrayList<Integer>(this.descriptor.getNumRecords()
+ 1);
- int offset;
- for (int i = 0; i < this.descriptor.getNumRecords() + 1; i++) {
- offset = BigEndian.getInt16(nodeData, size - ((i + 1) * 2));
- offsets.add(Integer.valueOf(offset));
- }
- CatalogKey key;
- for (int i = 0; i < this.descriptor.getNumRecords(); i++) {
- offset = offsets.get(i);
- key = new CatalogKey(nodeData, offset);
- if (isIndexNode()) {
- records.add(new IndexRecord(key, nodeData, offset));
- } else {
- int recordSize = offsets.get(i + 1) - offset;
- records.add(new LeafRecord(key, nodeData, offset, recordSize));
- }
- }
- }
-
- @Override
- public NodeRecord getNodeRecord(int index) {
- return records.get(index);
- }
-
- /**
- * @param parentId
- * @return a NodeRecord or {@code null}
- */
- public final NodeRecord find(final CatalogNodeId parentId) {
- for (NodeRecord record : records) {
- Key key = record.getKey();
- if (key instanceof CatalogKey) {
- if (((CatalogKey) key).getParentId().getId() ==
parentId.getId()) {
- return record;
- }
- }
- }
- return null;
- }
-
- /**
- * Find node record based on it's key.
- *
- * @param key The key to search.
- * @return a NodeRecord or {@code null}
- */
- public NodeRecord find(final CatalogKey key) {
- NodeRecord largestMatchingRecord = null;
- for (int index = 0; index < this.getNodeDescriptor().getNumRecords();
index++) {
- NodeRecord record = this.getNodeRecord(index);
- if ((record.getKey().compareTo(key) <= 0)) {
- if (largestMatchingRecord != null &&
-
record.getKey().compareTo(largestMatchingRecord.getKey()) > 0) {
- largestMatchingRecord = record;
- }
- }
- }
- return largestMatchingRecord;
- }
-
- /**
- * @param parentId
- * @return an array of NodeRecords
- */
- public final NodeRecord[] findChildren(final CatalogNodeId parentId) {
- LinkedList<NodeRecord> result = new LinkedList<NodeRecord>();
- NodeRecord largestMatchingRecord = null;
- CatalogKey largestMatchingKey = null;
- for (NodeRecord record : records) {
- CatalogKey key = (CatalogKey) record.getKey();
- if (key.getParentId().getId() < parentId.getId()
- && (largestMatchingKey == null ||
key.compareTo(largestMatchingKey) > 0)) {
- largestMatchingKey = key;
- largestMatchingRecord = record;
- } else if (key.getParentId().getId() == parentId.getId()) {
- result.addLast(record);
- }
- }
-
- if (largestMatchingKey != null) {
- result.addFirst(largestMatchingRecord);
- }
- return result.toArray(new NodeRecord[result.size()]);
- }
-
- /**
- * @param parentId
- * @return an array of NodeRecords
- */
- public final NodeRecord[] findAll(final CatalogNodeId parentId) {
- List<NodeRecord> list = new LinkedList<NodeRecord>();
- for (int index = 0; index < this.getNodeDescriptor().getNumRecords();
index++) {
- NodeRecord record = this.getNodeRecord(index);
- Key key = record.getKey();
- if (key instanceof CatalogKey && ((CatalogKey)
key).getParentId().getId() == parentId.getId()) {
- list.add(record);
- }
- }
- return list.toArray(new NodeRecord[list.size()]);
- }
-
-}
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/extent/ExtentNode.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/extent/ExtentNode.java 2011-08-02
20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/extent/ExtentNode.java 2011-08-04
12:57:47 UTC (rev 5843)
@@ -17,29 +17,33 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus.extent;
import org.jnode.fs.hfsplus.tree.AbstractNode;
+import org.jnode.fs.hfsplus.tree.IndexRecord;
import org.jnode.fs.hfsplus.tree.NodeDescriptor;
-import org.jnode.fs.hfsplus.tree.NodeRecord;
-public class ExtentNode extends AbstractNode {
-
+public class ExtentNode extends AbstractNode<IndexRecord> {
+
public ExtentNode(NodeDescriptor descriptor, final int nodeSize) {
- this.descriptor = descriptor;
- this.size = nodeSize;
+ super(descriptor, nodeSize);
}
-
+
public ExtentNode(final byte[] nodeData, final int nodeSize) {
- this.descriptor = new NodeDescriptor(nodeData, 0);
- this.size = nodeSize;
+ super(nodeData, nodeSize);
}
@Override
- public NodeRecord getNodeRecord(int index) {
+ public IndexRecord getNodeRecord(int index) {
// TODO Auto-generated method stub
return null;
}
+ @Override
+ protected void loadRecords(byte[] nodeData) {
+ // TODO Auto-generated method stub
+
+ }
+
}
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/AbstractNode.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/AbstractNode.java 2011-08-02
20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/AbstractNode.java 2011-08-04
12:57:47 UTC (rev 5843)
@@ -17,30 +17,46 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus.tree;
+import java.util.ArrayList;
import java.util.List;
import org.jnode.util.BigEndian;
-public abstract class AbstractNode implements Node {
+public abstract class AbstractNode<T extends NodeRecord> implements Node<T> {
protected NodeDescriptor descriptor;
- protected List<NodeRecord> records;
+ protected List<T> records;
protected List<Integer> offsets;
protected int size;
- @Override
- public NodeDescriptor getNodeDescriptor() {
- return descriptor;
+ public AbstractNode(NodeDescriptor descriptor, final int nodeSize) {
+ this.descriptor = descriptor;
+ this.size = nodeSize;
+ this.records = new ArrayList<T>(descriptor.getNumRecords());
+ this.offsets = new ArrayList<Integer>(descriptor.getNumRecords() + 1);
+
this.offsets.add(Integer.valueOf(NodeDescriptor.BT_NODE_DESCRIPTOR_LENGTH));
}
- public boolean isIndexNode() {
- return this.getNodeDescriptor().getKind() ==
NodeDescriptor.BT_INDEX_NODE;
+ public AbstractNode(final byte[] nodeData, final int nodeSize) {
+ this.descriptor = new NodeDescriptor(nodeData, 0);
+ this.size = nodeSize;
+ this.records = new ArrayList<T>(this.descriptor.getNumRecords());
+ this.offsets = new ArrayList<Integer>(this.descriptor.getNumRecords()
+ 1);
+ int offset;
+ for (int i = 0; i < this.descriptor.getNumRecords() + 1; i++) {
+ offset = BigEndian.getInt16(nodeData, size - ((i + 1) * 2));
+ offsets.add(Integer.valueOf(offset));
+ }
+ loadRecords(nodeData);
}
- public boolean isLeafNode() {
- return this.getNodeDescriptor().getKind() ==
NodeDescriptor.BT_LEAF_NODE;
+ protected abstract void loadRecords(final byte[] nodeData);
+
+ @Override
+ public NodeDescriptor getNodeDescriptor() {
+ return descriptor;
}
@Override
@@ -49,10 +65,12 @@
}
@Override
- public abstract NodeRecord getNodeRecord(int index);
+ public T getNodeRecord(int index) {
+ return records.get(index);
+ }
@Override
- public boolean addNodeRecord(NodeRecord record) {
+ public boolean addNodeRecord(T record) {
int freeSpace = getFreeSize();
if (freeSpace < record.getSize() + 2) {
return false;
@@ -107,7 +125,7 @@
public String toString() {
StringBuffer b = new StringBuffer();
- b.append((this.isLeafNode()) ? "Leaf node" : "Index
node").append("\n");
+ b.append((this.getNodeDescriptor().isLeafNode()) ? "Leaf node" :
"Index node").append("\n");
b.append(this.getNodeDescriptor().toString()).append("\n");
b.append("Offsets : ").append(offsets.toString());
return b.toString();
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/Node.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/Node.java 2011-08-02 20:04:52 UTC
(rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/Node.java 2011-08-04 12:57:47 UTC
(rev 5843)
@@ -17,22 +17,18 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus.tree;
-public interface Node {
+public interface Node<T extends NodeRecord> {
public static final int OFFSET_SIZE = 2;
public NodeDescriptor getNodeDescriptor();
- public boolean isIndexNode();
-
- public boolean isLeafNode();
-
public int getRecordOffset(int index);
- public NodeRecord getNodeRecord(int index);
+ public T getNodeRecord(int index);
/**
* Insert a record in the node.
@@ -41,5 +37,5 @@
* @return True if record is correctly inserted, false if there is not
* enough place to insert the record.
*/
- public boolean addNodeRecord(NodeRecord record);
+ public boolean addNodeRecord(T record);
}
Modified: trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/NodeDescriptor.java
===================================================================
--- trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/NodeDescriptor.java
2011-08-02 20:04:52 UTC (rev 5842)
+++ trunk/fs/src/fs/org/jnode/fs/hfsplus/tree/NodeDescriptor.java
2011-08-04 12:57:47 UTC (rev 5843)
@@ -17,7 +17,7 @@
* along with this library; If not, write to the Free Software Foundation,
Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
+
package org.jnode.fs.hfsplus.tree;
import org.jnode.util.BigEndian;
@@ -27,22 +27,22 @@
public static final int BT_INDEX_NODE = 0;
public static final int BT_HEADER_NODE = 1;
public static final int BT_MAP_NODE = 2;
-
+
/** The size of the node descriptor. */
public static final int BT_NODE_DESCRIPTOR_LENGTH = 14;
-
+
/** The number of the next node. */
private int fLink;
-
+
/** The number of the previous node. */
private int bLink;
-
+
/** The type of the node. */
private int kind;
-
+
/** The depth of this node in the B-Tree. */
private int height;
-
+
/** The number of records in this node. */
private int numRecords;
@@ -118,4 +118,16 @@
return numRecords;
}
+ public boolean isIndexNode() {
+ return kind == NodeDescriptor.BT_INDEX_NODE;
+ }
+
+ public boolean isLeafNode() {
+ return kind == NodeDescriptor.BT_LEAF_NODE;
+ }
+
+ public boolean isMapNode() {
+ return kind == NodeDescriptor.BT_MAP_NODE;
+ }
+
}
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