Initial commit from SVN.

Class File Services/src/com/de22/javabytecode/Component.java

@@ -0,0 +1,122 @@
+package com.de22.javabytecode;
+
+/**
+ * Copyright Wynne Crisman 1999,2006<p>
+ */
+public abstract class Component implements ITypeComponent {
+	public static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
+
+	private Type type = null;
+/**
+ * Converts a class name in the java class file format to class name in the java source format.
+ * @param type The class to convert to a java format (which except for native non-array types (such as int), can be sent to a class loader).
+ * @return The java source formatted class name.
+ */
+public static String classFileFormatToJavaFormat(String type) {
+	String result = null;
+	
+	if(type.charAt(0) == '[') {
+		result = type.replace('/', '.');
+	}//if//
+	else if(type.charAt(0) == 'L') {
+		result = type.substring(1, type.length() - 1).replace('/', '.');
+	}//else if//
+	else {
+		switch(type.charAt(0)) {
+			case 'V': {
+				result = Void.TYPE.getName();
+				break;
+			}//case//
+			case 'I': {
+				result = Integer.TYPE.getName();
+				break;
+			}//case//
+			case 'B': {
+				result = Byte.TYPE.getName();
+				break;
+			}//case//
+			case 'C': {
+				result = Character.TYPE.getName();
+				break;
+			}//case//
+			case 'S': {
+				result = Short.TYPE.getName();
+				break;
+			}//case//
+			case 'Z': {
+				result = Boolean.TYPE.getName();
+				break;
+			}//case//
+			case 'D': {
+				result = Double.TYPE.getName();
+				break;
+			}//case//
+			case 'F': {
+				result = Float.TYPE.getName();
+				break;
+			}//case//
+			case 'J': {
+				result = Long.TYPE.getName();
+				break;
+			}//case//
+		}//switch//
+	}//else//
+	
+	return result;
+}//classFileFormatToJavaFormat()//
+/**
+ * Converts class names in the java class file format to class names in the java source format.
+ * @param types The classes to convert to a java format.
+ * @return The java source formatted class names.
+ */
+public static String[] classFileFormatToJavaFormat(String[] types) {
+	String[] result = new String[types.length];
+	
+	for(int typeIndex = 0; typeIndex < types.length; typeIndex++) {
+		result[typeIndex] = classFileFormatToJavaFormat(types[typeIndex]);
+	}//for//
+	
+	return result;
+}//classFileFormatToJavaFormat()//
+/**
+ * Component constructor.
+ */
+public Component(Type type) {
+	super();
+
+	this.type = type;
+}//Component()//
+/**
+ * Appends a the end of line characters to the buffer.
+ * <p>This is a utility method to assist the toString(StringBuffer, int) implementations.
+ * @param buffer The buffer to write an end of line to.
+ */
+protected static void appendEndOfLine(StringBuffer buffer) {
+	buffer.append('\r');
+	buffer.append('\n');
+}//appendEndOfLine()//
+/**
+ * Appends tab characters to the buffer.
+ * <p>This is a utility method to assist the toString(StringBuffer, int) implementations.
+ * @param buffer The buffer to write a tabs to.
+ * @param tabCount The number of tabs to append.
+ */
+protected static void appendTabs(StringBuffer buffer, int tabCount) {
+	while(tabCount-- != 0) {
+		buffer.append('\t');
+	}//while//
+}//appendTabs()//
+/**
+ * Gets the class associated with this component.
+ * @return The class information that this component is a member of.
+ */
+protected Type getType() {
+	return type;
+}//getType()//
+/**
+ * Displays the component and all subcomponents in human readable string form.
+ * @param buffer The buffer to display to.
+ * @param tabCount The number of tabs to prepend to each line.
+ */
+public abstract void toString(StringBuffer buffer, int tabCount);
+}//Component//