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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/InnerClasses.java
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@@ -19,130 +19,143 @@
* 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.Constants;
-import java.io.*;
+import com.sun.org.apache.bcel.internal.Const;
/**
* This class is derived from <em>Attribute</em> and denotes that this class
* is an Inner class of another.
* to the source file of this class.
* It is instantiated from the <em>Attribute.readAttribute()</em> method.
*
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
+ * @version $Id: InnerClasses.java 1749603 2016-06-21 20:50:19Z ggregory $
* @see Attribute
*/
public final class InnerClasses extends Attribute {
+
private InnerClass[] inner_classes;
- private int number_of_classes;
+
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
- public InnerClasses(InnerClasses c) {
- this(c.getNameIndex(), c.getLength(), c.getInnerClasses(),
- c.getConstantPool());
+ public InnerClasses(final InnerClasses c) {
+ this(c.getNameIndex(), c.getLength(), c.getInnerClasses(), c.getConstantPool());
}
+
/**
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
* @param inner_classes array of inner classes attributes
* @param constant_pool Array of constants
- * @param sourcefile_index Index in constant pool to CONSTANT_Utf8
*/
- public InnerClasses(int name_index, int length,
- InnerClass[] inner_classes,
- ConstantPool constant_pool)
- {
- super(Constants.ATTR_INNER_CLASSES, name_index, length, constant_pool);
- setInnerClasses(inner_classes);
+ public InnerClasses(final int name_index, final int length, final InnerClass[] inner_classes,
+ final ConstantPool constant_pool) {
+ super(Const.ATTR_INNER_CLASSES, name_index, length, constant_pool);
+ this.inner_classes = inner_classes != null ? inner_classes : new InnerClass[0];
}
+
/**
- * Construct object from file stream.
+ * Construct object from input stream.
*
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
- * @param file Input stream
+ * @param input Input stream
* @param constant_pool Array of constants
* @throws IOException
*/
- InnerClasses(int name_index, int length, DataInputStream file,
- ConstantPool constant_pool) throws IOException
- {
- this(name_index, length, (InnerClass[])null, constant_pool);
-
- number_of_classes = file.readUnsignedShort();
+ InnerClasses(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool)
+ throws IOException {
+ this(name_index, length, (InnerClass[]) null, constant_pool);
+ final int number_of_classes = input.readUnsignedShort();
inner_classes = new InnerClass[number_of_classes];
-
- for(int i=0; i < number_of_classes; i++)
- inner_classes[i] = new InnerClass(file);
+ for (int i = 0; i < number_of_classes; i++) {
+ inner_classes[i] = new InnerClass(input);
}
+ }
+
+
/**
* 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) {
+ @Override
+ public void accept( final Visitor v ) {
v.visitInnerClasses(this);
}
+
+
/**
* Dump source file attribute to file stream in binary format.
*
* @param file Output file stream
* @throws IOException
*/
- public final void dump(DataOutputStream file) throws IOException
- {
+ @Override
+ public final void dump( final DataOutputStream file ) throws IOException {
super.dump(file);
- file.writeShort(number_of_classes);
-
- for(int i=0; i < number_of_classes; i++)
- inner_classes[i].dump(file);
+ file.writeShort(inner_classes.length);
+ for (final InnerClass inner_class : inner_classes) {
+ inner_class.dump(file);
}
+ }
+
/**
* @return array of inner class "records"
*/
- public final InnerClass[] getInnerClasses() { return inner_classes; }
+ public final InnerClass[] getInnerClasses() {
+ return inner_classes;
+ }
+
/**
- * @param inner_classes.
+ * @param inner_classes the array of inner classes
*/
- public final void setInnerClasses(InnerClass[] inner_classes) {
- this.inner_classes = inner_classes;
- number_of_classes = (inner_classes == null)? 0 : inner_classes.length;
+ public final void setInnerClasses( final InnerClass[] inner_classes ) {
+ this.inner_classes = inner_classes != null ? inner_classes : new InnerClass[0];
}
+
/**
* @return String representation.
*/
+ @Override
public final String toString() {
- StringBuffer buf = new StringBuffer();
-
- for(int i=0; i < number_of_classes; i++)
- buf.append(inner_classes[i].toString(constant_pool) + "\n");
-
+ final StringBuilder buf = new StringBuilder();
+ buf.append("InnerClasses(");
+ buf.append(inner_classes.length);
+ buf.append("):\n");
+ for (final InnerClass inner_class : inner_classes) {
+ buf.append(inner_class.toString(super.getConstantPool())).append("\n");
+ }
return buf.toString();
}
+
/**
* @return deep copy of this attribute
*/
- public Attribute copy(ConstantPool constant_pool) {
- InnerClasses c = (InnerClasses)clone();
-
- c.inner_classes = new InnerClass[number_of_classes];
- for(int i=0; i < number_of_classes; i++)
+ @Override
+ public Attribute copy( final ConstantPool _constant_pool ) {
+ // TODO this could be recoded to use a lower level constructor after creating a copy of the inner classes
+ final InnerClasses c = (InnerClasses) clone();
+ c.inner_classes = new InnerClass[inner_classes.length];
+ for (int i = 0; i < inner_classes.length; i++) {
c.inner_classes[i] = inner_classes[i].copy();
-
- c.constant_pool = constant_pool;
+ }
+ c.setConstantPool(_constant_pool);
return c;
}
}
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