3 files changed, 308 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureLifetimeEnum.java b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureLifetimeEnum.java
new file mode 100644
index 0000000..e71c9f9
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureLifetimeEnum.java
@@ -0,0 +1,49 @@
+package at.gv.egiz.pdfas.api.commons;
+
+import java.io.Serializable;
+
+/**
+ * Pseudo enum defining lifetime models for {@link DynamicSignatureProfile}s.
+ * 
+ * @author exthex
+ *
+ */
+public final class DynamicSignatureLifetimeEnum implements Serializable {
+   private static final long serialVersionUID = 1L;
+   
+   private int value;
+   
+   /**
+    * Automatic lifetime bound to one sign process
+    */   
+   public static final DynamicSignatureLifetimeEnum AUTO = new DynamicSignatureLifetimeEnum(1);
+   
+   /**
+    * Manual lifetime making YOU responsible for calling {@link DynamicSignatureProfile#dispose()}.
+    */
+   public static final DynamicSignatureLifetimeEnum MANUAL = new DynamicSignatureLifetimeEnum(2);
+   
+   private DynamicSignatureLifetimeEnum(int val) {
+      this.value = val;      
+   }
+
+   public int hashCode() {
+      return value;
+   }
+
+   public boolean equals(Object obj) {
+      if (this == obj)
+         return true;
+      if (obj == null)
+         return false;
+      if (getClass() != obj.getClass())
+         return false;
+      DynamicSignatureLifetimeEnum other = (DynamicSignatureLifetimeEnum) obj;
+      if (value != other.value)
+         return false;
+      return true;
+   }
+   
+   
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfile.java b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfile.java
new file mode 100644
index 0000000..fbcfaf9
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfile.java
@@ -0,0 +1,68 @@
+package at.gv.egiz.pdfas.api.commons;
+
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.gv.egiz.pdfas.api.sign.SignParameters;
+
+/**
+ * A dynamic signature profile. It is used to define a signature profile like the ones from pdf-as/config.properties at runtime.
+ * After creation via {@link PdfAs} you can set properties via {@link #setPropertyRaw(String, String)} 
+ * or {@link #setFieldValue(String, String)}.<br>
+ * You have to call {@link #apply()} to use the profile. The identifying name (e.g. for {@link SignParameters#setSignatureProfileId(String)}
+ * can be obtained via {@link #getName()}.<br>
+ * Depending on the {@link DynamicSignatureLifetimeEnum} the profile can be alive and usable till you {@link #dispose()} it manually. 
+ * 
+ * @author exthex
+ *
+ */
+public interface DynamicSignatureProfile {
+
+   /**
+    * Get the name of the dynamic signature profile. Equals the <b>SignatureProfileId</b>
+    * @return
+    */
+   public abstract String getName();   
+
+   /**
+    * Set a field value for the profile. Use {@link #setPropertyRaw(String, String)} for setting any property.<br>
+    * For example to set <code>sig_obj.MEIN_DYN_SIGNATURBLOCK.value.SIG_META</code> just use <code>SIG_META</code> as fieldName. 
+    * @param fieldName the name of the field
+    * @param value the value to set
+    */
+   public abstract void setFieldValue(String fieldName, String value);
+
+   /**
+    * Get a field value from the profile. See {@link #setFieldValue(String, String)}
+    * @param fieldName
+    * @return
+    */
+   public abstract String getFieldValue(String fieldName);
+   
+   /**
+    * Set any property for the signature profile. 
+    * Uses the same keys as the property file without the "prefix" for the profile.
+    * For example to set <code>sig_obj.MEIN_DYN_SIGNATURBLOCK.key.SIG_META</code> use <code>key.SIG_META</code>
+    * @param key property key
+    * @param val property value
+    */
+   public void setPropertyRaw(String key, String val);
+
+   /**
+    * Get any property from the signature profile. See {@link #setPropertyRaw(String, String)} for details.
+    * @param key
+    * @return
+    */
+   public String getPropertyRaw(String key);      
+
+   /**
+    * Apply the signature profile. Call this after all properties are set and you want to use the profile. It is then added
+    * to the globally available signature profiles. Depending on the lifetime model {@link DynamicSignatureLifetimeEnum} you
+    * have to {@link #dispose()} it manually when not needed anymore.
+    */
+   public abstract void apply();
+
+   /**
+    * Disposes the signature profile from the global store. Call this for {@link DynamicSignatureLifetimeEnum#MANUAL} only. 
+    */
+   public abstract void dispose();
+  
+}
+\ No newline at end of file
diff --git a/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfileImpl.java b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfileImpl.java
new file mode 100644
index 0000000..c89b4fe
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/api/commons/DynamicSignatureProfileImpl.java
@@ -0,0 +1,191 @@
+package at.gv.egiz.pdfas.api.commons;
+
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.knowcenter.wag.egov.egiz.cfg.PropertyTree;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
+
+// TODO exception types?
+/**
+ * Implementation class of the {@link DynamicSignatureProfile}. Don't use this class directly. Use {@link PdfAs} to create and the 
+ * {@link DynamicSignatureProfile} interface for manipulation.
+ * @author exthex
+ *
+ */
+public class DynamicSignatureProfileImpl implements DynamicSignatureProfile {
+   private String name;   
+   private Properties newProps = new Properties();
+   private int dynamicTypeCounter = 0;   
+   private static Map profiles = new HashMap();
+   private static ThreadLocal localProfiles = new ThreadLocal();
+   private DynamicSignatureLifetimeEnum lifeMode; 
+   
+
+   private DynamicSignatureProfileImpl(DynamicSignatureLifetimeEnum mode, String name) {
+      if (name != null) {
+         this.name = name;
+      } else {
+         this.name = createDynamicTypeName();
+      }
+      this.lifeMode = mode;
+   }
+   
+   public static DynamicSignatureProfileImpl createFromParent(String myUniqueName, String parentProfile, DynamicSignatureLifetimeEnum mode) {
+      DynamicSignatureProfileImpl res = new DynamicSignatureProfileImpl(mode, myUniqueName);
+      res.initFromParent(parentProfile);
+      return res;
+   }
+   
+   private void store() {
+      if (lifeMode.equals(DynamicSignatureLifetimeEnum.MANUAL)) {
+         profiles.put(this.getName(), this);
+      } else if (lifeMode.equals(DynamicSignatureLifetimeEnum.AUTO)) {
+         localProfiles.set(this);
+      }
+   }
+   
+   private void remove() {
+      if (lifeMode.equals(DynamicSignatureLifetimeEnum.MANUAL)) {
+         profiles.remove(this);
+      } else if (lifeMode.equals(DynamicSignatureLifetimeEnum.AUTO)) {
+         localProfiles.remove();
+      }
+   }
+   
+   public static void disposeLocalProfile() {
+      DynamicSignatureProfileImpl profile = (DynamicSignatureProfileImpl) localProfiles.get();
+      if (profile != null) {       
+         profile.dispose();
+      }
+   }
+   
+   public static DynamicSignatureProfileImpl createEmptyProfile(String myUniqueName, DynamicSignatureLifetimeEnum mode) {
+      return new DynamicSignatureProfileImpl(mode, myUniqueName);      
+   }
+   
+   public static DynamicSignatureProfileImpl loadProfile(String name) {
+      return (DynamicSignatureProfileImpl) profiles.get(name);
+   }
+   
+   private synchronized String createDynamicTypeName() {
+      return "dynprofile__#" + this.dynamicTypeCounter++;     
+   }
+
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#getName()
+    */
+   public String getName() {
+      return name;
+   }
+   
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#setName(String)
+    */
+   public void setName(String uniqueName) {
+      this.name = uniqueName;
+   }
+
+   public void setPropertyRaw(String key, String val) {
+      this.newProps.setProperty(localPropName(key), val);
+   }
+   
+   public String getPropertyRaw(String key) {
+      return this.newProps.getProperty(localPropName(key));
+   }
+   
+   private void assertPropExists(String key) {
+      if (!this.newProps.containsKey(localPropName(key))) {
+         throw new RuntimeException("property '" + key + "'not existing, cannot add one");
+      }
+   }
+
+   private String localPropName(String key) {
+      return "sig_obj." + this.name + "." + key;
+   }
+   
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#setFieldValue(java.lang.String, java.lang.String)
+    */
+   public void setFieldValue(String fieldName, String value) {
+      if (SignatureTypes.isRequredSigTypeKey(fieldName)) {
+         throw new RuntimeException("cannot set value for pre defined signature field names");
+      }
+      
+      String key = "value." +fieldName;
+      assertPropExists(key);
+      setPropertyRaw(key, value);
+   }
+   
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#getFieldValue(java.lang.String)
+    */
+   public String getFieldValue(String fieldName) {
+      return getPropertyRaw("value."+fieldName);           
+   }
+
+   private void initFromParent(String parentProfile) {
+      try {
+         SettingsReader cfg = null;
+
+         cfg = SettingsReader.getInstance();         
+
+         Properties props = cfg.getProperties();         
+         for (Enumeration e = props.keys(); e.hasMoreElements();) {
+            String oldKey = (String) e.nextElement();
+            if (oldKey.startsWith("sig_obj." + parentProfile + ".")) {
+               String newKey = oldKey.replace(parentProfile, name);
+               String val = props.getProperty(oldKey);
+               this.newProps.put(newKey, val);
+            }
+         }
+         this.newProps.put("sig_obj.types." + name, "on");         
+      } catch (Exception e) {
+         throw new RuntimeException(e);
+      }
+   }
+   
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#register()
+    */
+   public synchronized void apply() {
+      try {
+         SettingsReader settings = SettingsReader.getInstance();         
+
+         settings.getProperties().putAll(this.newProps);
+
+         for (Enumeration e = newProps.keys(); e.hasMoreElements();) {
+            String key = (String) e.nextElement();
+            settings.getPTree().setKeyValue(key, newProps.getProperty(key));
+         }
+     
+         SignatureTypes.getInstance().addSignatureType(this.name);
+         store();
+      } catch (Exception e) {
+         throw new RuntimeException("schas", e);
+      }
+   }
+   
+   /* (non-Javadoc)
+    * @see at.gv.egiz.pdfas.api.commons.DynamicSignatureProfile#dispose()
+    */
+   public synchronized void dispose() {
+      try {
+         SettingsReader.getInstance().getProperties().keySet().removeAll(newProps.keySet());
+         
+         PropertyTree root = SettingsReader.getInstance().getPTree();
+         root.getSubTree("sig_obj").removeEntry(this.name);         
+         
+         SignatureTypes.getInstance().removeSignatureType(this.name);
+         remove();
+         System.err.println("DISPOSED ddd");
+      } catch (Exception e) {
+         throw new RuntimeException("schas", e);
+      }
+   }
+   
+}