From 42db0d636f67d30fdef7cfc9d4b4e61644f3ebc2 Mon Sep 17 00:00:00 2001
From: Harald Wolff <haraldwolff@homework.praeziso.lupus>
Date: Tue, 6 Sep 2016 11:52:42 +0200
Subject: [PATCH] org.hwo.configuration neu

---
 .../configuration/ConfigurableAttribute.java  |   8 +
 .../hwo/configuration/ConfigurableObject.java |  10 ++
 .../configuration/ConfigurableObjects.java    | 151 ++++++++++++++++++
 .../configuration/ConfigurationTrigger.java   |  10 ++
 .../configuration/IConfigurableObject.java    |   8 +
 5 files changed, 187 insertions(+)
 create mode 100644 src/org/hwo/configuration/ConfigurableAttribute.java
 create mode 100644 src/org/hwo/configuration/ConfigurableObject.java
 create mode 100644 src/org/hwo/configuration/ConfigurableObjects.java
 create mode 100644 src/org/hwo/configuration/ConfigurationTrigger.java
 create mode 100644 src/org/hwo/configuration/IConfigurableObject.java

diff --git a/src/org/hwo/configuration/ConfigurableAttribute.java b/src/org/hwo/configuration/ConfigurableAttribute.java
new file mode 100644
index 0000000..66112af
--- /dev/null
+++ b/src/org/hwo/configuration/ConfigurableAttribute.java
@@ -0,0 +1,8 @@
+package org.hwo.configuration;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ConfigurableAttribute {
+}
diff --git a/src/org/hwo/configuration/ConfigurableObject.java b/src/org/hwo/configuration/ConfigurableObject.java
new file mode 100644
index 0000000..4358fa1
--- /dev/null
+++ b/src/org/hwo/configuration/ConfigurableObject.java
@@ -0,0 +1,10 @@
+package org.hwo.configuration;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ConfigurableObject {
+
+}
diff --git a/src/org/hwo/configuration/ConfigurableObjects.java b/src/org/hwo/configuration/ConfigurableObjects.java
new file mode 100644
index 0000000..b4a113c
--- /dev/null
+++ b/src/org/hwo/configuration/ConfigurableObjects.java
@@ -0,0 +1,151 @@
+package org.hwo.configuration;
+
+import java.io.ObjectInputStream.GetField;
+import java.lang.reflect.Field;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.LinkedList;
+import java.util.StringTokenizer;
+
+public class ConfigurableObjects {
+
+	public static Field[] getConfigurableAttributes(Class<?> clazz){
+		LinkedList<Field> cfl = new LinkedList<Field>();
+		
+		if (clazz.getAnnotation(ConfigurableObject.class)!=null){
+			Field[] fields = clazz.getDeclaredFields();
+			for (Field f: fields){
+				if (f.getAnnotation(ConfigurableAttribute.class)!=null){
+					f.setAccessible(true);
+					cfl.add(f);
+				}
+			}
+			
+			if (clazz.getSuperclass()!=null){
+				for (Field f:getConfigurableAttributes(clazz.getSuperclass()))
+					cfl.add(f);
+			}
+			
+		}
+		
+		return cfl.toArray(new Field[0]);
+	}
+
+	public static Field[] getConfigurableAttributes(Object o){
+		return getConfigurableAttributes(o.getClass());
+	}
+	
+	public static String getValueAsString(Object value){
+		String s = value.toString();
+		
+		s = s.replaceAll("\\\\","\\\\\\\\");
+		s = s.replaceAll("\\;", "\\\\;");
+		s = s.replaceAll("\\|", "\\\\|");
+		
+		return s;
+	}
+	
+	public static Object getValueFromString(String value,Class<?> type) throws ClassCastException{
+		if (type.equals(String.class))
+			return new String(value);
+		if (type.equals(Integer.class))
+			return Integer.parseInt(value);
+		if (type.equals(Float.class))
+			return Float.parseFloat(value);
+		if (type.equals(Double.class))
+			return Double.parseDouble(value);
+		if (type.equals(Boolean.class))
+			return Boolean.parseBoolean(value);
+	
+		if (type.isEnum()){
+			for (Object e:type.getEnumConstants()){
+				if (e.toString().equals(value))
+					return e;
+			}
+		}
+			
+			
+			
+		
+		throw new ClassCastException();
+	}
+	
+	public static String getConfiguration(Object o){
+		if (IConfigurableObject.class.isInstance(o))
+			return ((IConfigurableObject)o).getConfiguration();
+		
+		Field[] fields = getConfigurableAttributes(o);
+		Hashtable<String, String> values = new Hashtable<String, String>();
+		
+		for (Field f: fields){
+			try {
+				String sv = getValueAsString(f.get(o));
+				if (sv != null){
+					values.put(f.getName(), sv);
+				}
+				
+			} catch (IllegalArgumentException e) {
+				e.printStackTrace();
+			} catch (IllegalAccessException e) {
+				e.printStackTrace();
+			}
+		}
+		
+		StringBuilder sb = new StringBuilder();
+
+		Enumeration<String> keys = values.keys();
+		while (keys.hasMoreElements()){
+			String name = keys.nextElement();
+			sb.append(String.format("%s=%s", name, values.get(name)));
+			if (keys.hasMoreElements())
+				sb.append(";");
+		}
+		return sb.toString();
+	}
+	
+	public static void setConfiguration(Object o,String configuration){
+		
+		StringTokenizer st = new StringTokenizer(configuration, ";");
+		LinkedList<String> l = new LinkedList<String>();
+		
+		while (st.hasMoreTokens()){
+			String t = st.nextToken();
+			if ((l.peekLast()!=null)&&(l.peekLast().endsWith("\\"))){
+				String last = l.removeLast();
+				l.add(last.substring(0, last.length()-1) + ";" + t);
+			} else {
+				l.addFirst(t);
+			}
+		}
+		
+		Hashtable<String,String> hash = new Hashtable<String, String>();
+		
+		for (int n=0;n<l.size();n++){
+			String c = l.get(n).replaceAll("\\;", ";").replaceAll("\\|", "|").replaceAll("\\\\", "\\");
+			String[] split = c.split("\\=",2);
+			if (split.length==1){
+				hash.put(split[0], "");
+			} else if (split.length==2){
+				hash.put(split[0], split[1]);
+			}
+		}
+		
+		
+		
+		for (Field f: getConfigurableAttributes(o)){
+			if (hash.containsKey(f.getName())){
+				try {
+					f.set(o, getValueFromString(hash.get(f.getName()), f.getType()));
+				} catch (IllegalArgumentException e) {
+					e.printStackTrace();
+				} catch (IllegalAccessException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+		
+		
+	}
+	
+	
+}
diff --git a/src/org/hwo/configuration/ConfigurationTrigger.java b/src/org/hwo/configuration/ConfigurationTrigger.java
new file mode 100644
index 0000000..5cd765b
--- /dev/null
+++ b/src/org/hwo/configuration/ConfigurationTrigger.java
@@ -0,0 +1,10 @@
+package org.hwo.configuration;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ConfigurationTrigger {
+	public boolean postConfiguration() default true;
+	public boolean preConfiguration() default false;
+}
diff --git a/src/org/hwo/configuration/IConfigurableObject.java b/src/org/hwo/configuration/IConfigurableObject.java
new file mode 100644
index 0000000..08c637c
--- /dev/null
+++ b/src/org/hwo/configuration/IConfigurableObject.java
@@ -0,0 +1,8 @@
+package org.hwo.configuration;
+
+public interface IConfigurableObject {
+
+	public String getConfiguration();
+	public void setConfiguration(String configurationText);
+	
+}