Package org.apache.bcel.classfile
Class ConstantString
java.lang.Object
org.apache.bcel.classfile.Constant
org.apache.bcel.classfile.ConstantString
- All Implemented Interfaces:
Cloneable
,ConstantObject
,Node
This class is derived from the abstract
Constant
and represents a reference to a String object.- See Also:
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionConstantString
(int stringIndex) ConstantString
(DataInput file) Initialize instance from file data.Initialize from another object. -
Method Summary
Modifier and TypeMethodDescriptionvoid
Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class.void
dump
(DataOutputStream file) Dump constant field reference to file stream in binary format.getBytes
(ConstantPool cp) Gets the object representing the constant, e.g., Long for ConstantLong.int
void
setStringIndex
(int stringIndex) toString()
Methods inherited from class org.apache.bcel.classfile.Constant
clone, copy, equals, getComparator, getTag, hashCode, readConstant, setComparator
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Field Details
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stringIndex
private int stringIndex
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Constructor Details
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ConstantString
Initialize from another object.- Parameters:
c
- Source to copy.
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ConstantString
ConstantString(DataInput file) throws IOException Initialize instance from file data.- Parameters:
file
- Input stream- Throws:
IOException
- if an I/O error occurs.
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ConstantString
public ConstantString(int stringIndex) - Parameters:
stringIndex
- Index of Constant_Utf8 in constant pool
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Method Details
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accept
Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects. -
dump
Dump constant field reference to file stream in binary format.- Specified by:
dump
in classConstant
- Parameters:
file
- Output file stream- Throws:
IOException
- if an I/O error occurs.
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getBytes
- Returns:
- dereferenced string
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getConstantValue
Description copied from interface:ConstantObject
Gets the object representing the constant, e.g., Long for ConstantLong.- Specified by:
getConstantValue
in interfaceConstantObject
- Parameters:
cp
- the constant.- Returns:
- String object
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getStringIndex
public int getStringIndex()- Returns:
- Index in constant pool of the string (ConstantUtf8).
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setStringIndex
public void setStringIndex(int stringIndex) - Parameters:
stringIndex
- the index into the constant of the string value
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toString
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