provide default CabStreamSaver

src/dorkbox/cabParser/CabParser.java

@@ -15,10 +15,7 @@
  */
 package dorkbox.cabParser;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.*;
 import java.util.Enumeration;
 
 import dorkbox.cabParser.decompress.CabDecompressor;
@@ -84,6 +81,15 @@ public final class CabParser {
         readData();
     }
 
+
+    public
+    CabParser(InputStream inputStream, File extractPath) throws CabException, IOException {
+        this.streamSaver = new DefaultCabStreamSaver(extractPath);
+        this.cabInputStream = new CabInputStream(inputStream);
+
+        readData();
+    }
+
     /**
      * Gets the version number.
      */

src/dorkbox/cabParser/DefaultCabStreamSaver.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2012 dorkbox, llc
+ *
+ * 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 dorkbox.cabParser;
+
+import dorkbox.cabParser.structure.CabFileEntry;
+
+import java.io.*;
+
+/**
+ * provide default CabStreamSaver
+ */
+public class DefaultCabStreamSaver implements CabStreamSaver{
+    private File extractPath;
+
+    public DefaultCabStreamSaver(File extractPath) throws CabException {
+        this.extractPath = extractPath;
+        if(extractPath!=null){
+            if(!extractPath.exists()){
+                extractPath.mkdirs();
+            }else if(!extractPath.isDirectory()){
+                throw new CabException("extractPath is not directory");
+            }
+        }
+    }
+
+    @Override
+    public OutputStream openOutputStream(CabFileEntry entry) {
+        return new ByteArrayOutputStream((int) entry.getSize());
+    }
+
+    @Override
+    public void closeOutputStream(OutputStream outputStream, CabFileEntry entry) {
+        if (outputStream != null) {
+            try {
+                ByteArrayOutputStream bos = (ByteArrayOutputStream)outputStream;
+                byte[] bytes=bos.toByteArray();
+                String filePath = extractPath.getAbsolutePath()+File.separator+entry.getName();
+                File cabEntityFile = new File(filePath);
+                cabEntityFile.createNewFile();
+                FileOutputStream fileOutputStream = new FileOutputStream(cabEntityFile);
+                fileOutputStream.write(bytes);
+            } catch (FileNotFoundException e) {
+            } catch (IOException e) {
+            } finally {
+                try {
+                    outputStream.close();
+                } catch (IOException e) {
+                }
+            }
+        }
+    }
+
+    @Override
+    public boolean saveReservedAreaData(byte[] data, int dataLength) {
+        return false;
+    }
+}