Parser austauschen

src/de/dhbwstuttgart/parser/JavaClassName.java

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+package de.dhbwstuttgart.parser;
+
+import de.dhbwstuttgart.typeinference.Menge;
+
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+
+/**
+ * Stellt den Namen einer Java Klasse dar. 
+ * Dieser kann auch den Packagenamen mit beinhalten: de.dhbwstuttgart.typeinference.Menge
+ * 
+ * @author janulrich
+ *
+ */
+public class JavaClassName {
+
+	private String name;
+	private PackageName packageName;
+	
+	public JavaClassName(String name){
+		if(name == null)throw new NullPointerException();
+		
+		String[] names = name.split("[.]");
+		boolean match = true;
+		if(names.length == 1){
+			//packageName = new PackageName();
+			this.name = name;
+		}else {
+			name = names[names.length-1];
+			Menge<String> packageNames = new Menge<String>();
+			for(int i = 0; i<names.length-1;i++){
+				packageNames.add(names[i]);
+			}
+			packageName = new PackageName(packageNames);
+			this.name = names[names.length-1];
+		}
+	}
+	
+	//Auto-generated hashCode:
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((name == null) ? 0 : name.hashCode());
+		//result = prime * result
+		//		+ ((packageName == null) ? 0 : packageName.hashCode()); //PackageName does not infect hashCode
+		return result;
+	}
+
+	/**
+	 * Namen sind nur gleich, wenn bei den beiden zu vergleichenden JavaClassNames auch das Package angegeben ist
+	 */
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if(obj instanceof String)
+			return this.toString().equals(obj) || (this.name != null && this.name.equals(obj)); //Auch mit Strings als Klassennamen kompatibel TODO: sollte bald obsolet sein
+		if (getClass() != obj.getClass())
+			return false;
+		JavaClassName other = (JavaClassName) obj;
+		if (name == null) {
+			if (other.name != null)
+				return false;
+		} else if (!name.equals(other.name))
+			return false;
+		if (packageName != null && other.packageName != null) {
+			if (!packageName.equals(other.packageName))
+				return false;//Spezialfall, nicht beide Typen müssen eindeutig mit Packagenamen angegeben werden
+		}
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return (packageName!=null ? packageName.toString() : "") + name;
+	}
+}
+
+class PackageName{
+
+	Menge<String> names = new Menge<String>();
+	
+	public PackageName(Menge<String> packageNames) {
+		names = packageNames;
+	}
+
+	public PackageName() {
+		//Do nothing
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((names == null) ? 0 : names.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		PackageName other = (PackageName) obj;
+		if (names == null) {
+			if (other.names != null)
+				return false;
+		} else if (!names.equals(other.names))
+			return false;
+		return true;
+	}
+	
+	@Override
+	public String toString() {
+		String ret = "";
+		if(names == null)return "";
+		for(String n : names)ret+=n+".";
+		return ret;
+	}
+}