aswi2020horky-gitlab/demo_mh/Deserializer/src/deserialize/ClassDescription.java @ 9744d223

package deserialize;

import java.util.ArrayList;
import java.util.List;

import org.json.simple.JSONObject;

public class ClassDescription {

	private final static byte SC_SERIALIZABLE = (byte) 0x02;
	private final static byte SC_EXTERNALIZABLE = (byte) 0x04;
	
	String className;
	long serialVersionUID;
	byte flags;
	boolean isClass; // or enum
	
	private List<ClassDescription> parents = new ArrayList<ClassDescription>();
	private int actParentIndex = -1;
	
	private List<Variable> variables = new ArrayList<Variable>();
	private int actVariableIndex = -1;
	
	public Variable nextVariable() {
		if (++actVariableIndex < variables.size()) {
			return variables.get(actVariableIndex);
		} else {
			return null;
		}
	}
	
	public void addParent(ClassDescription parent) {
		parents.add(parent);
		actParentIndex++;
	}
	
	public Variable getActVariable() {
		for (; actParentIndex >= 0; actParentIndex--) {
			Variable var = parents.get(actParentIndex).nextVariable();
			if (var != null) {
				return var;
			}
		}
		return null;
	}
	
	public void setVariables(List<Variable> variables) {
		this.variables = variables;
	}
	
	@SuppressWarnings("unchecked")
	public JSONObject getJSONObject() {
		int actIndex = ++actParentIndex;
		JSONObject obj = new JSONObject();
		
		JSONObject vars = new JSONObject();
		for (int j = 0; j < variables.size(); j++) {
			variables.get(j).putToJSON(vars);
		}
		obj.put("variables", vars);
		
		String i = "";
		if (flags == SC_SERIALIZABLE) {
			i = "java.io.Serializable";
		} else if (flags == SC_EXTERNALIZABLE) {
			i = "java.io.Externalizable";
		}
		obj.put("interface", i);
		
		String name;
		if (isClass) {
			name = "class";
		} else {
			name = "enum";
		}
		name += " " + className;
		obj.put("name", name);
		
		if ((actIndex + 1) < parents.size()) {
			obj.put("parent", parents.get(actIndex + 1).getJSONObject());
		}
		
		return obj;
	}
	
	@Override
	public String toString() {
		actParentIndex++;
		String retValue = "";
		
		if (isClass) {
			retValue = "class";
		} else {
			retValue = "enum";
		}
		
		retValue += " " + className;
		
		if ((actParentIndex + 1) < parents.size()) {
			retValue += " extends " + parents.get(actParentIndex + 1).className;
		}
		
		if (flags == SC_SERIALIZABLE) {
			retValue += " implements java.io.Serializable";
		} else if (flags == SC_EXTERNALIZABLE) {
			retValue += " implements java.io.Externalizable";
		}
		
		retValue += "\n{\n";
		for (int i = 0; i < variables.size(); i++) {
			if (i > 0) {
				retValue += "\n";
			}
			retValue += "    " + variables.get(i).toString() + ";";
		}
		retValue += "\n}\n";
		
		if ((actParentIndex + 1) < parents.size()) {
			retValue += parents.get(actParentIndex + 1).toString();
		}
		
		return retValue;
	}
	
}