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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/ConstantValue.java
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*** 19,145 ****
* limitations under the License.
*/
package com.sun.org.apache.bcel.internal.classfile;
! import com.sun.org.apache.bcel.internal.Constants;
! import java.io.*;
/**
* This class is derived from <em>Attribute</em> and represents a constant
* value, i.e., a default value for initializing a class field.
* This class is instantiated by the <em>Attribute.readAttribute()</em> method.
*
! * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
* @see Attribute
*/
public final class ConstantValue extends Attribute {
private int constantvalue_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
! public ConstantValue(ConstantValue c) {
! this(c.getNameIndex(), c.getLength(), c.getConstantValueIndex(),
! c.getConstantPool());
}
/**
! * Construct object from file stream.
* @param name_index Name index in constant pool
* @param length Content length in bytes
! * @param file Input stream
* @param constant_pool Array of constants
! * @throw IOException
*/
! ConstantValue(int name_index, int length, DataInputStream file,
! ConstantPool constant_pool) throws IOException
! {
! this(name_index, length, (int)file.readUnsignedShort(), constant_pool);
}
/**
* @param name_index Name index in constant pool
* @param length Content length in bytes
* @param constantvalue_index Index in constant pool
* @param constant_pool Array of constants
*/
! public ConstantValue(int name_index, int length,
! int constantvalue_index,
! ConstantPool constant_pool)
! {
! super(Constants.ATTR_CONSTANT_VALUE, name_index, length, constant_pool);
this.constantvalue_index = constantvalue_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v Visitor object
*/
! public void accept(Visitor v) {
v.visitConstantValue(this);
}
/**
* Dump constant value attribute to file stream on binary format.
*
* @param file Output file stream
* @throws IOException
*/
! public final void dump(DataOutputStream file) throws IOException
! {
super.dump(file);
file.writeShort(constantvalue_index);
}
/**
* @return Index in constant pool of constant value.
*/
! public final int getConstantValueIndex() { return constantvalue_index; }
/**
! * @param constantvalue_index.
*/
! public final void setConstantValueIndex(int constantvalue_index) {
this.constantvalue_index = constantvalue_index;
}
/**
* @return String representation of constant value.
*/
public final String toString() {
! Constant c = constant_pool.getConstant(constantvalue_index);
!
String buf;
int i;
-
// Print constant to string depending on its type
! switch(c.getTag()) {
! case Constants.CONSTANT_Long: buf = "" + ((ConstantLong)c).getBytes(); break;
! case Constants.CONSTANT_Float: buf = "" + ((ConstantFloat)c).getBytes(); break;
! case Constants.CONSTANT_Double: buf = "" + ((ConstantDouble)c).getBytes(); break;
! case Constants.CONSTANT_Integer: buf = "" + ((ConstantInteger)c).getBytes(); break;
! case Constants.CONSTANT_String:
! i = ((ConstantString)c).getStringIndex();
! c = constant_pool.getConstant(i, Constants.CONSTANT_Utf8);
! buf = "\"" + Utility.convertString(((ConstantUtf8)c).getBytes()) + "\"";
break;
-
default:
throw new IllegalStateException("Type of ConstValue invalid: " + c);
}
-
return buf;
}
/**
* @return deep copy of this attribute
*/
! public Attribute copy(ConstantPool constant_pool) {
! ConstantValue c = (ConstantValue)clone();
! c.constant_pool = constant_pool;
return c;
}
}
--- 19,164 ----
* limitations under the License.
*/
package com.sun.org.apache.bcel.internal.classfile;
+ import java.io.DataInput;
+ import java.io.DataOutputStream;
+ import java.io.IOException;
! import com.sun.org.apache.bcel.internal.Const;
/**
* This class is derived from <em>Attribute</em> and represents a constant
* value, i.e., a default value for initializing a class field.
* This class is instantiated by the <em>Attribute.readAttribute()</em> method.
*
! * @version $Id: ConstantValue.java 1749603 2016-06-21 20:50:19Z ggregory $
* @see Attribute
*/
public final class ConstantValue extends Attribute {
+
private int constantvalue_index;
+
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
! public ConstantValue(final ConstantValue c) {
! this(c.getNameIndex(), c.getLength(), c.getConstantValueIndex(), c.getConstantPool());
}
+
/**
! * Construct object from input stream.
* @param name_index Name index in constant pool
* @param length Content length in bytes
! * @param input Input stream
* @param constant_pool Array of constants
! * @throws IOException
*/
! ConstantValue(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool)
! throws IOException {
! this(name_index, length, input.readUnsignedShort(), constant_pool);
}
+
/**
* @param name_index Name index in constant pool
* @param length Content length in bytes
* @param constantvalue_index Index in constant pool
* @param constant_pool Array of constants
*/
! public ConstantValue(final int name_index, final int length, final int constantvalue_index,
! final ConstantPool constant_pool) {
! super(Const.ATTR_CONSTANT_VALUE, name_index, length, constant_pool);
this.constantvalue_index = constantvalue_index;
}
+
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v Visitor object
*/
! @Override
! public void accept( final Visitor v ) {
v.visitConstantValue(this);
}
+
+
/**
* Dump constant value attribute to file stream on binary format.
*
* @param file Output file stream
* @throws IOException
*/
! @Override
! public final void dump( final DataOutputStream file ) throws IOException {
super.dump(file);
file.writeShort(constantvalue_index);
}
+
+
/**
* @return Index in constant pool of constant value.
*/
! public final int getConstantValueIndex() {
! return constantvalue_index;
! }
!
/**
! * @param constantvalue_index the index info the constant pool of this constant value
*/
! public final void setConstantValueIndex( final int constantvalue_index ) {
this.constantvalue_index = constantvalue_index;
}
+
/**
* @return String representation of constant value.
*/
+ @Override
public final String toString() {
! Constant c = super.getConstantPool().getConstant(constantvalue_index);
String buf;
int i;
// Print constant to string depending on its type
! switch (c.getTag()) {
! case Const.CONSTANT_Long:
! buf = String.valueOf(((ConstantLong) c).getBytes());
! break;
! case Const.CONSTANT_Float:
! buf = String.valueOf(((ConstantFloat) c).getBytes());
! break;
! case Const.CONSTANT_Double:
! buf = String.valueOf(((ConstantDouble) c).getBytes());
! break;
! case Const.CONSTANT_Integer:
! buf = String.valueOf(((ConstantInteger) c).getBytes());
! break;
! case Const.CONSTANT_String:
! i = ((ConstantString) c).getStringIndex();
! c = super.getConstantPool().getConstant(i, Const.CONSTANT_Utf8);
! buf = "\"" + Utility.convertString(((ConstantUtf8) c).getBytes()) + "\"";
break;
default:
throw new IllegalStateException("Type of ConstValue invalid: " + c);
}
return buf;
}
+
/**
* @return deep copy of this attribute
*/
! @Override
! public Attribute copy( final ConstantPool _constant_pool ) {
! final ConstantValue c = (ConstantValue) clone();
! c.setConstantPool(_constant_pool);
return c;
}
}
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