jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64Data.java@f50545b5e2f1 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64Data.java@f50545b5e2f1 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64Data.java

Tue, 06 Mar 2012 16:09:35 -0800

author: ohair
date: Tue, 06 Mar 2012 16:09:35 -0800
changeset 286: f50545b5e2f1
child 368: 0989ad8c0860
permissions: -rw-r--r--

7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom

 /*
  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code 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 General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.xml.internal.org.jvnet.staxex;
 import javax.activation.DataHandler;
 import javax.activation.DataSource;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamWriter;
 // for testing method
 //import com.sun.xml.internal.stream.writers.XMLStreamWriterImpl;
 //import java.io.FileNotFoundException;
 //import java.io.StringWriter;
 //import javax.activation.FileDataSource;
 /**
  * Binary data represented as base64-encoded string
  * in XML.
  *
  * <p>
  * Used in conjunction with {@link XMLStreamReaderEx}
  * and {@link XMLStreamWriterEx}.
  *
  * @author Kohsuke Kawaguchi, Martin Grebac
  */
 public class Base64Data implements CharSequence, Cloneable {
     // either dataHandler or (data,dataLen,mimeType?) must be present
     // (note that having both is allowed)
     private DataHandler dataHandler;
     private byte[] data;
     /**
      * Length of the valid data in {@link #data}.
      */
     private int dataLen;
     /**
      * True if {@link #data} can be cloned by reference
      * if Base64Data instance is cloned.
      */
     private boolean dataCloneByRef;
     /**
      * Optional MIME type of {@link #data}.
      *
      * Unused when {@link #dataHandler} is set.
      * Use {@link DataHandler#getContentType()} in that case.
      */
     private String mimeType;
     /**
      * Default constructor
      */
     public Base64Data() {
     }
     /**
      * Clone constructor
      * @param that needs to be cloned
      */
     public Base64Data(Base64Data that) {
         that.get();
         if (that.dataCloneByRef) {
             this.data = that.data;
         } else {
             this.data = new byte[that.dataLen];
             System.arraycopy(that.data, 0, this.data, 0, that.dataLen);
         }
         this.dataCloneByRef = true;
         this.dataLen = that.dataLen;
         this.dataHandler = null;
         this.mimeType = that.mimeType;
     }
     /**
      * Fills in the data object by a portion of the byte[].
      *
      * @param data actual data
      * @param len
      *      data[0] to data[len-1] are treated as the data.
      * @param mimeType MIME type
      * @param cloneByRef
      *      true if data[] can be cloned by reference
      */
     public void set(byte[] data, int len, String mimeType, boolean cloneByRef) {
         this.data = data;
         this.dataLen = len;
         this.dataCloneByRef = cloneByRef;
         this.dataHandler = null;
         this.mimeType = mimeType;
     }
     /**
      * Fills in the data object by a portion of the byte[].
      *
      * @param data actual data bytes
      * @param len
      *      data[0] to data[len-1] are treated as the data.
      * @param mimeType MIME type
      */
     public void set(byte[] data, int len, String mimeType) {
         set(data,len,mimeType,false);
     }
     /**
      * Fills in the data object by the byte[] of the exact length.
      *
      * @param data
      *      this buffer may be owned directly by the unmarshaleld JAXB object.
      * @param mimeType MIME type
      */
     public void set(byte[] data,String mimeType) {
         set(data,data.length,mimeType,false);
     }
     /**
      * Fills in the data object by a {@link DataHandler}.
      *
      * @param data DataHandler for the data
      */
     public void set(DataHandler data) {
         assert data!=null;
         this.dataHandler = data;
         this.data = null;
     }
     /**
      * Gets the raw data. If the returned DataHandler is {@link StreamingDataHandler},
      * callees may need to downcast to take advantage of its capabilities.
      *
      * @see StreamingDataHandler
      * @return DataHandler for the data
      */
     public DataHandler getDataHandler() {
         if(dataHandler==null){
             dataHandler = new Base64StreamingDataHandler(new Base64DataSource());
         } else if (!(dataHandler instanceof StreamingDataHandler)) {
             dataHandler = new FilterDataHandler(dataHandler);
         }
         return dataHandler;
     }
     private final class Base64DataSource implements DataSource {
         public String getContentType() {
             return getMimeType();
         }
         public InputStream getInputStream() {
             return new ByteArrayInputStream(data,0,dataLen);
         }
         public String getName() {
             return null;
         }
         public OutputStream getOutputStream() {
             throw new UnsupportedOperationException();
         }
     }
     private final class Base64StreamingDataHandler extends StreamingDataHandler {
         Base64StreamingDataHandler(DataSource source) {
             super(source);
         }
         public InputStream readOnce() throws IOException {
             return getDataSource().getInputStream();
         }
         public void moveTo(File dst) throws IOException {
             FileOutputStream fout = new FileOutputStream(dst);
             try {
                 fout.write(data, 0, dataLen);
             } finally {
                 fout.close();
             }
         }
         public void close() throws IOException {
             // nothing to do
         }
     }
     private static final class FilterDataHandler extends StreamingDataHandler {
         FilterDataHandler(DataHandler dh) {
             super(dh.getDataSource());
         }
         public InputStream readOnce() throws IOException {
             return getDataSource().getInputStream();
         }
         public void moveTo(File dst) throws IOException {
             byte[] buf = new byte[8192];
             InputStream in = null;
             OutputStream out = null;
             try {
                 in = getDataSource().getInputStream();
                 out = new FileOutputStream(dst);
                 while (true) {
                     int amountRead = in.read(buf);
                     if (amountRead == -1) {
                         break;
                     }
                     out.write(buf, 0, amountRead);
                 }
             } finally {
                 if (in != null) {
                     try {
                         in.close();
                     } catch(IOException ioe) {
                         // nothing to do
                     }
                 }
                 if (out != null) {
                     try {
                         out.close();
                     } catch(IOException ioe) {
                         // nothing to do
                     }
                 }
             }
         }
         public void close() throws IOException {
             // nothing to do
         }
     }
     /**
      * Gets the byte[] of the exact length.
      *
      * @return byte[] for data
      */
     public byte[] getExact() {
         get();
         if(dataLen!=data.length) {
             byte[] buf = new byte[dataLen];
             System.arraycopy(data,0,buf,0,dataLen);
             data = buf;
         }
         return data;
     }
     /**
      * Gets the data as an {@link InputStream}.
      *
      * @return data as InputStream
      * @throws IOException if i/o error occurs
      */
     public InputStream getInputStream() throws IOException {
         if(dataHandler!=null)
             return dataHandler.getInputStream();
         else
             return new ByteArrayInputStream(data,0,dataLen);
     }
     /**
      * Returns false if this object only has {@link DataHandler} and therefore
      * {@link #get()} operation is likely going to be expensive.
      *
      * @return false if it has only DataHandler
      */
     public boolean hasData() {
         return data!=null;
     }
     /**
      * Gets the raw data. The size of the byte array maybe larger than the actual length.
      *
      * @return data as byte[], the array may be larger
      */
     public byte[] get() {
         if(data==null) {
             try {
                 ByteArrayOutputStreamEx baos = new ByteArrayOutputStreamEx(1024);
                 InputStream is = dataHandler.getDataSource().getInputStream();
                 baos.readFrom(is);
                 is.close();
                 data = baos.getBuffer();
                 dataLen = baos.size();
                 dataCloneByRef = true;
             } catch (IOException e) {
                 // TODO: report the error to the unmarshaller
                 dataLen = 0;    // recover by assuming length-0 data
             }
         }
         return data;
     }
     /**
      * Gets the length of the binary data counted in bytes.
      *
      * Note that if this object encapsulates {@link DataHandler},
      * this method would have to read the whole thing into {@code byte[]}
      * just to count the length, because {@link DataHandler}
      * doesn't easily expose the length.
      *
      * @return no of bytes
      */
     public int getDataLen() {
         get();
         return dataLen;
     }
     public String getMimeType() {
         if(mimeType==null)
             return "application/octet-stream";
         return mimeType;
     }
     /**
      * Gets the number of characters needed to represent
      * this binary data in the base64 encoding.
      */
     public int length() {
         // for each 3 bytes you use 4 chars
         // if the remainder is 1 or 2 there will be 4 more
         get();  // fill in the buffer if necessary
         return ((dataLen+2)/3)*4;
     }
     /**
      * Encode this binary data in the base64 encoding
      * and returns the character at the specified position.
      */
     public char charAt(int index) {
         // we assume that the length() method is called before this method
         // (otherwise how would the caller know that the index is valid?)
         // so we assume that the byte[] is already populated
         int offset = index%4;
         int base = (index/4)*3;
         byte b1,b2;
         switch(offset) {
         case 0:
             return Base64Encoder.encode(data[base]>>2);
         case 1:
             if(base+1<dataLen)
                 b1 = data[base+1];
             else
                 b1 = 0;
             return Base64Encoder.encode(
                         ((data[base]&0x3)<<4) |
                         ((b1>>4)&0xF));
         case 2:
             if(base+1<dataLen) {
                 b1 = data[base+1];
                 if(base+2<dataLen)
                     b2 = data[base+2];
                 else
                     b2 = 0;
                 return Base64Encoder.encode(
                             ((b1&0xF)<<2)|
                             ((b2>>6)&0x3));
             } else
                 return '=';
         case 3:
             if(base+2<dataLen)
                 return Base64Encoder.encode(data[base+2]&0x3F);
             else
                 return '=';
         }
         throw new IllegalStateException();
     }
     /**
      * Internally this is only used to split a text to a list,
      * which doesn't happen that much for base64.
      * So this method should be smaller than faster.
      */
     public CharSequence subSequence(int start, int end) {
         StringBuilder buf = new StringBuilder();
         get();  // fill in the buffer if we haven't done so
         for( int i=start; i<end; i++ )
             buf.append(charAt(i));
         return buf;
     }
     /**
      * Returns the base64 encoded string of this data.
      */
     @Override
     public String toString() {
         get();  // fill in the buffer
         return Base64Encoder.print(data, 0, dataLen);
     }
     public void writeTo(char[] buf, int start) {
         get();
         Base64Encoder.print(data, 0, dataLen, buf, start);
     }
     public void writeTo(XMLStreamWriter output) throws IOException, XMLStreamException {
         if (data==null) {
             try {
                 InputStream is = dataHandler.getDataSource().getInputStream();
                 ByteArrayOutputStream outStream = new ByteArrayOutputStream(); // dev-null stream
                 Base64EncoderStream encWriter = new Base64EncoderStream(output, outStream);
                 int b = -1;
                 while ((b = is.read()) != -1) {
                     encWriter.write(b);
                 }
                 outStream.close();
                 encWriter.close();
             } catch (IOException e) {
                 dataLen = 0;    // recover by assuming length-0 data
                 throw e;
             }
         } else {
             // the data is already in memory and not streamed
             String s = Base64Encoder.print(data, 0, dataLen);
             output.writeCharacters(s);
         }
     }
     @Override
     public Base64Data clone() {
         return new Base64Data(this);
     }
 //    public static void main(String[] args) throws FileNotFoundException, IOException, XMLStreamException {
 //        Base64Data data = new Base64Data();
 //
 //        data.set(new DataHandler(new FileDataSource(new File("/home/snajper/Desktop/a.txt"))));
 //
 //        StringWriter sw = new StringWriter();
 //        XMLStreamWriterImpl wi = new XMLStreamWriterImpl(sw, null);
 //
 //        data.writeTo(wi);
 //        wi.flush();sw.flush();
 //        System.out.println("SW: " + sw.toString());
 //
 //    }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64Data.java@f50545b5e2f1 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64Data.java