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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/SourceFile.java

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  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.classfile;
  23 
  24 import java.io.DataInput;
  25 import java.io.DataOutputStream;
  26 import java.io.IOException;
  27 
  28 import com.sun.org.apache.bcel.internal.Const;
  29 
  30 /**
  31  * This class is derived from <em>Attribute</em> and represents a reference
  32  * to the source file of this class.  At most one SourceFile attribute
  33  * should appear per classfile.  The intention of this class is that it is
  34  * instantiated from the <em>Attribute.readAttribute()</em> method.
  35  *
  36  * @version $Id$
  37  * @see     Attribute
  38  */
  39 public final class SourceFile extends Attribute {
  40 
  41     private int sourcefile_index;
  42 
  43 
  44     /**
  45      * Initialize from another object. Note that both objects use the same
  46      * references (shallow copy). Use clone() for a physical copy.
  47      */
  48     public SourceFile(final SourceFile c) {
  49         this(c.getNameIndex(), c.getLength(), c.getSourceFileIndex(), c.getConstantPool());
  50     }
  51 
  52 
  53     /**
  54      * Construct object from input stream.
  55      * @param name_index Index in constant pool to CONSTANT_Utf8
  56      * @param length Content length in bytes


  86     /**
  87      * Called by objects that are traversing the nodes of the tree implicitely
  88      * defined by the contents of a Java class. I.e., the hierarchy of methods,
  89      * fields, attributes, etc. spawns a tree of objects.
  90      *
  91      * @param v Visitor object
  92      */
  93     @Override
  94     public void accept( final Visitor v ) {
  95         v.visitSourceFile(this);
  96     }
  97 
  98 
  99     /**
 100      * Dump source file attribute to file stream in binary format.
 101      *
 102      * @param file Output file stream
 103      * @throws IOException
 104      */
 105     @Override
 106     public final void dump( final DataOutputStream file ) throws IOException {
 107         super.dump(file);
 108         file.writeShort(sourcefile_index);
 109     }
 110 
 111 
 112     /**
 113      * @return Index in constant pool of source file name.
 114      */
 115     public final int getSourceFileIndex() {
 116         return sourcefile_index;
 117     }
 118 
 119 
 120     /**
 121      * @param sourcefile_index
 122      */
 123     public final void setSourceFileIndex( final int sourcefile_index ) {
 124         this.sourcefile_index = sourcefile_index;
 125     }
 126 
 127 
 128     /**
 129      * @return Source file name.
 130      */
 131     public final String getSourceFileName() {
 132         final ConstantUtf8 c = (ConstantUtf8) super.getConstantPool().getConstant(sourcefile_index,
 133                 Const.CONSTANT_Utf8);
 134         return c.getBytes();
 135     }
 136 
 137 
 138     /**
 139      * @return String representation
 140      */
 141     @Override
 142     public final String toString() {
 143         return "SourceFile: " + getSourceFileName();
 144     }
 145 
 146 
 147     /**
 148      * @return deep copy of this attribute
 149      */
 150     @Override
 151     public Attribute copy( final ConstantPool _constant_pool ) {
 152         return (Attribute) clone();
 153     }
 154 }


  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.classfile;
  23 
  24 import java.io.DataInput;
  25 import java.io.DataOutputStream;
  26 import java.io.IOException;
  27 
  28 import com.sun.org.apache.bcel.internal.Const;
  29 
  30 /**
  31  * This class is derived from <em>Attribute</em> and represents a reference
  32  * to the source file of this class.  At most one SourceFile attribute
  33  * should appear per classfile.  The intention of this class is that it is
  34  * instantiated from the <em>Attribute.readAttribute()</em> method.
  35  *

  36  * @see     Attribute
  37  */
  38 public final class SourceFile extends Attribute {
  39 
  40     private int sourcefile_index;
  41 
  42 
  43     /**
  44      * Initialize from another object. Note that both objects use the same
  45      * references (shallow copy). Use clone() for a physical copy.
  46      */
  47     public SourceFile(final SourceFile c) {
  48         this(c.getNameIndex(), c.getLength(), c.getSourceFileIndex(), c.getConstantPool());
  49     }
  50 
  51 
  52     /**
  53      * Construct object from input stream.
  54      * @param name_index Index in constant pool to CONSTANT_Utf8
  55      * @param length Content length in bytes


  85     /**
  86      * Called by objects that are traversing the nodes of the tree implicitely
  87      * defined by the contents of a Java class. I.e., the hierarchy of methods,
  88      * fields, attributes, etc. spawns a tree of objects.
  89      *
  90      * @param v Visitor object
  91      */
  92     @Override
  93     public void accept( final Visitor v ) {
  94         v.visitSourceFile(this);
  95     }
  96 
  97 
  98     /**
  99      * Dump source file attribute to file stream in binary format.
 100      *
 101      * @param file Output file stream
 102      * @throws IOException
 103      */
 104     @Override
 105     public void dump( final DataOutputStream file ) throws IOException {
 106         super.dump(file);
 107         file.writeShort(sourcefile_index);
 108     }
 109 
 110 
 111     /**
 112      * @return Index in constant pool of source file name.
 113      */
 114     public int getSourceFileIndex() {
 115         return sourcefile_index;
 116     }
 117 
 118 
 119     /**
 120      * @param sourcefile_index
 121      */
 122     public void setSourceFileIndex( final int sourcefile_index ) {
 123         this.sourcefile_index = sourcefile_index;
 124     }
 125 
 126 
 127     /**
 128      * @return Source file name.
 129      */
 130     public String getSourceFileName() {
 131         final ConstantUtf8 c = (ConstantUtf8) super.getConstantPool().getConstant(sourcefile_index,
 132                 Const.CONSTANT_Utf8);
 133         return c.getBytes();
 134     }
 135 
 136 
 137     /**
 138      * @return String representation
 139      */
 140     @Override
 141     public String toString() {
 142         return "SourceFile: " + getSourceFileName();
 143     }
 144 
 145 
 146     /**
 147      * @return deep copy of this attribute
 148      */
 149     @Override
 150     public Attribute copy( final ConstantPool _constant_pool ) {
 151         return (Attribute) clone();
 152     }
 153 }
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