src/share/classes/com/sun/imageio/plugins/jpeg/DHTMarkerSegment.java

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rev 9343 : 8033716: Fix raw and unchecked lint warnings in com.sun.imageio
Reviewed-by: darcy, prr, bae


  26 package com.sun.imageio.plugins.jpeg;
  27 
  28 import javax.imageio.metadata.IIOInvalidTreeException;
  29 import javax.imageio.metadata.IIOMetadataNode;
  30 import javax.imageio.stream.ImageOutputStream;
  31 import javax.imageio.plugins.jpeg.JPEGHuffmanTable;
  32 
  33 import java.io.IOException;
  34 import java.util.List;
  35 import java.util.ArrayList;
  36 import java.util.Iterator;
  37 
  38 import org.w3c.dom.Node;
  39 import org.w3c.dom.NodeList;
  40 import org.w3c.dom.NamedNodeMap;
  41 
  42 /**
  43  * A DHT (Define Huffman Table) marker segment.
  44  */
  45 class DHTMarkerSegment extends MarkerSegment {
  46     List tables = new ArrayList();
  47 
  48     DHTMarkerSegment(boolean needFour) {
  49         super(JPEG.DHT);
  50         tables.add(new Htable(JPEGHuffmanTable.StdDCLuminance, true, 0));
  51         if (needFour) {
  52             tables.add(new Htable(JPEGHuffmanTable.StdDCChrominance, true, 1));
  53         }
  54         tables.add(new Htable(JPEGHuffmanTable.StdACLuminance, false, 0));
  55         if (needFour) {
  56             tables.add(new Htable(JPEGHuffmanTable.StdACChrominance, false, 1));
  57         }
  58     }
  59 
  60     DHTMarkerSegment(JPEGBuffer buffer) throws IOException {
  61         super(buffer);
  62         int count = length;
  63         while (count > 0) {
  64             Htable newGuy = new Htable(buffer);
  65             tables.add(newGuy);
  66             count -= 1 + 16 + newGuy.values.length;


  76         }
  77         for (int i = 0; i < acTables.length; i++) {
  78             tables.add(new Htable(acTables[i], false, i));
  79         }
  80     }
  81 
  82     DHTMarkerSegment(Node node) throws IIOInvalidTreeException {
  83         super(JPEG.DHT);
  84         NodeList children = node.getChildNodes();
  85         int size = children.getLength();
  86         if ((size < 1) || (size > 4)) {
  87             throw new IIOInvalidTreeException("Invalid DHT node", node);
  88         }
  89         for (int i = 0; i < size; i++) {
  90             tables.add(new Htable(children.item(i)));
  91         }
  92     }
  93 
  94     protected Object clone() {
  95         DHTMarkerSegment newGuy = (DHTMarkerSegment) super.clone();
  96         newGuy.tables = new ArrayList(tables.size());
  97         Iterator iter = tables.iterator();
  98         while (iter.hasNext()) {
  99             Htable table = (Htable) iter.next();
 100             newGuy.tables.add(table.clone());
 101         }
 102         return newGuy;
 103     }
 104 
 105     IIOMetadataNode getNativeNode() {
 106         IIOMetadataNode node = new IIOMetadataNode("dht");
 107         for (int i= 0; i<tables.size(); i++) {
 108             Htable table = (Htable) tables.get(i);
 109             node.appendChild(table.getNativeNode());
 110         }
 111         return node;
 112     }
 113 
 114     /**
 115      * Writes the data for this segment to the stream in
 116      * valid JPEG format.
 117      */
 118     void write(ImageOutputStream ios) throws IOException {
 119         // We don't write DHT segments; the IJG library does.
 120     }
 121 
 122     void print() {
 123         printTag("DHT");
 124         System.out.println("Num tables: "
 125                            + Integer.toString(tables.size()));
 126         for (int i= 0; i<tables.size(); i++) {
 127             Htable table = (Htable) tables.get(i);
 128             table.print();
 129         }
 130         System.out.println();
 131 
 132     }
 133 
 134     Htable getHtableFromNode(Node node) throws IIOInvalidTreeException {
 135         return new Htable(node);
 136     }
 137 
 138     void addHtable(JPEGHuffmanTable table, boolean isDC, int id) {
 139         tables.add(new Htable(table, isDC, id));
 140     }
 141 
 142     /**
 143      * A Huffman table within a DHT marker segment.
 144      */
 145     class Htable implements Cloneable {
 146         int tableClass;  // 0 == DC, 1 == AC
 147         int tableID; // 0 - 4




  26 package com.sun.imageio.plugins.jpeg;
  27 
  28 import javax.imageio.metadata.IIOInvalidTreeException;
  29 import javax.imageio.metadata.IIOMetadataNode;
  30 import javax.imageio.stream.ImageOutputStream;
  31 import javax.imageio.plugins.jpeg.JPEGHuffmanTable;
  32 
  33 import java.io.IOException;
  34 import java.util.List;
  35 import java.util.ArrayList;
  36 import java.util.Iterator;
  37 
  38 import org.w3c.dom.Node;
  39 import org.w3c.dom.NodeList;
  40 import org.w3c.dom.NamedNodeMap;
  41 
  42 /**
  43  * A DHT (Define Huffman Table) marker segment.
  44  */
  45 class DHTMarkerSegment extends MarkerSegment {
  46     List<Htable> tables = new ArrayList<>();
  47 
  48     DHTMarkerSegment(boolean needFour) {
  49         super(JPEG.DHT);
  50         tables.add(new Htable(JPEGHuffmanTable.StdDCLuminance, true, 0));
  51         if (needFour) {
  52             tables.add(new Htable(JPEGHuffmanTable.StdDCChrominance, true, 1));
  53         }
  54         tables.add(new Htable(JPEGHuffmanTable.StdACLuminance, false, 0));
  55         if (needFour) {
  56             tables.add(new Htable(JPEGHuffmanTable.StdACChrominance, false, 1));
  57         }
  58     }
  59 
  60     DHTMarkerSegment(JPEGBuffer buffer) throws IOException {
  61         super(buffer);
  62         int count = length;
  63         while (count > 0) {
  64             Htable newGuy = new Htable(buffer);
  65             tables.add(newGuy);
  66             count -= 1 + 16 + newGuy.values.length;


  76         }
  77         for (int i = 0; i < acTables.length; i++) {
  78             tables.add(new Htable(acTables[i], false, i));
  79         }
  80     }
  81 
  82     DHTMarkerSegment(Node node) throws IIOInvalidTreeException {
  83         super(JPEG.DHT);
  84         NodeList children = node.getChildNodes();
  85         int size = children.getLength();
  86         if ((size < 1) || (size > 4)) {
  87             throw new IIOInvalidTreeException("Invalid DHT node", node);
  88         }
  89         for (int i = 0; i < size; i++) {
  90             tables.add(new Htable(children.item(i)));
  91         }
  92     }
  93 
  94     protected Object clone() {
  95         DHTMarkerSegment newGuy = (DHTMarkerSegment) super.clone();
  96         newGuy.tables = new ArrayList<>(tables.size());
  97         Iterator<Htable> iter = tables.iterator();
  98         while (iter.hasNext()) {
  99             Htable table = iter.next();
 100             newGuy.tables.add((Htable) table.clone());
 101         }
 102         return newGuy;
 103     }
 104 
 105     IIOMetadataNode getNativeNode() {
 106         IIOMetadataNode node = new IIOMetadataNode("dht");
 107         for (int i= 0; i<tables.size(); i++) {
 108             Htable table = tables.get(i);
 109             node.appendChild(table.getNativeNode());
 110         }
 111         return node;
 112     }
 113 
 114     /**
 115      * Writes the data for this segment to the stream in
 116      * valid JPEG format.
 117      */
 118     void write(ImageOutputStream ios) throws IOException {
 119         // We don't write DHT segments; the IJG library does.
 120     }
 121 
 122     void print() {
 123         printTag("DHT");
 124         System.out.println("Num tables: "
 125                            + Integer.toString(tables.size()));
 126         for (int i= 0; i<tables.size(); i++) {
 127             Htable table = tables.get(i);
 128             table.print();
 129         }
 130         System.out.println();
 131 
 132     }
 133 
 134     Htable getHtableFromNode(Node node) throws IIOInvalidTreeException {
 135         return new Htable(node);
 136     }
 137 
 138     void addHtable(JPEGHuffmanTable table, boolean isDC, int id) {
 139         tables.add(new Htable(table, isDC, id));
 140     }
 141 
 142     /**
 143      * A Huffman table within a DHT marker segment.
 144      */
 145     class Htable implements Cloneable {
 146         int tableClass;  // 0 == DC, 1 == AC
 147         int tableID; // 0 - 4