package com.coderising.jvm.clz;
import java.util.ArrayList;
import java.util.List;
import com.coderising.jvm.constant.ClassInfo;
import com.coderising.jvm.constant.ConstantPool;
import com.coderising.jvm.field.Field;
import com.coderising.jvm.method.Method;
public class ClassFile {
private int minorVersion;
private int majorVersion;
private AccessFlag accessFlag;
private ClassIndex clzIndex;
private ConstantPool pool;
private List<Field> fields = new ArrayList<Field>();
private List<Method> methods = new ArrayList<Method>();
public ClassIndex getClzIndex() {
return clzIndex;
}
public AccessFlag getAccessFlag() {
return accessFlag;
}
public void setAccessFlag(AccessFlag accessFlag) {
this.accessFlag = accessFlag;
}
public ConstantPool getConstantPool() {
return pool;
}
public int getMinorVersion() {
return minorVersion;
}
public void setMinorVersion(int minorVersion) {
this.minorVersion = minorVersion;
}
public int getMajorVersion() {
return majorVersion;
}
public void setMajorVersion(int majorVersion) {
this.majorVersion = majorVersion;
}
public void setConstPool(ConstantPool pool) {
this.pool = pool;
}
public void setClassIndex(ClassIndex clzIndex) {
this.clzIndex = clzIndex;
}
public void addField(Field f){
this.fields.add(f);
}
public List<Field> getFields(){
return this.fields;
}
public void addMethod(Method m){
this.methods.add(m);
}
public List<Method> getMethods() {
return methods;
}
public void print(){
if(this.accessFlag.isPublicClass()){
System.out.println("Access flag : public ");
}
System.out.println("Class Name:"+ getClassName());
System.out.println("Super Class Name:"+ getSuperClassName());
}
public String getClassName(){
int thisClassIndex = this.clzIndex.getThisClassIndex();
ClassInfo thisClass = (ClassInfo)this.getConstantPool().getConstantInfo(thisClassIndex);
return thisClass.getClassName();
}
public String getSuperClassName(){
ClassInfo superClass = (ClassInfo)this.getConstantPool().getConstantInfo(this.clzIndex.getSuperClassIndex());
return superClass.getClassName();
}
public Method getMethod(String methodName, String paramAndReturnType){
for(Method method:methods){
if(pool.getUTF8String(method.getNameIndex()).equals(methodName)&&pool.getUTF8String(method.getDescriptorIndex()).equals(paramAndReturnType)){
return method;
}
}
return null;
}
public Method getMainMethod(){
return getMethod("main","([Ljava/lang/String;)V");
}
}