Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / type / StringType.java

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/type/StringType.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/StringType.java
new file mode 100644 (file)
index 0000000..db74bbf
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/StringType.java
@@ -0,0 +1,186 @@
+/*******************************************************************************\r
+ *  Copyright (c) 2010 Association for Decentralized Information Management in\r
+ *  Industry THTH ry.\r
+ *  All rights reserved. This program and the accompanying materials\r
+ *  are made available under the terms of the Eclipse Public License v1.0\r
+ *  which accompanies this distribution, and is available at\r
+ *  http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ *  Contributors:\r
+ *      VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.type;
+
+import java.util.Set;\r
+import java.util.regex.Pattern;\r
+import java.util.regex.PatternSyntaxException;\r
+\r
+import org.simantics.databoard.accessor.error.ReferenceException;\r
+import org.simantics.databoard.accessor.reference.ChildReference;\r
+import org.simantics.databoard.util.IdentityPair;\r
+import org.simantics.databoard.util.Limit;\r
+import org.simantics.databoard.util.Range;\r
+import org.simantics.databoard.util.RangeException;\r
+
+public class StringType extends Datatype {
+               \r
+       public static final String KEY_PATTERN = "pattern";\r
+       public static final String KEY_MIMETYPE = "mimeType";\r
+       public static final String KEY_LENGTH = "length";\r
+       
+    private transient Range _length;\r
+    private transient String _lengthIsForStr;    
+    private transient Pattern pattern_;\r
+    private transient String pattern_IsForStr;
+    
+    public StringType () {}
+    
+    public StringType (String pattern) {\r
+       setPattern(pattern);\r
+    }
+
+    public StringType (String pattern, String mimeType, Range length) {
+       setPattern(pattern);\r
+       setMimeType(mimeType);\r
+       setLength(length);
+    }
+
+    public StringType (String pattern, String mimeType, String length) {
+       setPattern(pattern);\r
+       setMimeType(mimeType);\r
+       setLength(length);\r
+    }\r
+    \r
+    @Override\r
+    public int getComponentCount() {\r
+       return 0;\r
+    }\r
+    \r
+    @Override\r
+    public Datatype getComponentType(int index) {\r
+       throw new IllegalArgumentException();\r
+    }\r
+    \r
+    @Override\r
+    public Datatype getComponentType(ChildReference path) {\r
+       if (path==null) return this;\r
+       throw new IllegalArgumentException();\r
+    }    
+    
+    @Override
+    protected boolean deepEquals(Object obj, Set<IdentityPair<Datatype, Datatype>> compareHistory) {
+               if (this==obj) return true;\r
+               if ( !hasEqualMetadata(obj) ) return false;\r
+               return obj instanceof StringType;
+       }\r
+    
+       @Override
+       public int hashCode() {         
+               return 0x43676323 + super.hashCode(); 
+       }    
+
+       @Override
+       public void accept(Visitor1 v, Object obj) {
+           v.visit(this, obj);        
+       }
+
+       @Override
+       public <T> T accept(Visitor<T> v) {
+           return v.visit(this);
+       }
+
+       public String getPattern() {
+               return metadata.get(KEY_PATTERN);
+       }
+
+       public void setPattern(String pattern) 
+       throws PatternSyntaxException 
+       {\r
+               if ( pattern == null ) metadata.remove(KEY_PATTERN); else\r
+               metadata.put(KEY_PATTERN, pattern);\r
+       }
+
+       public String getMimeType() {\r
+               return metadata.get(KEY_MIMETYPE);
+       }
+
+       public void setMimeType(String mimeType) {\r
+               if (mimeType==null) metadata.remove( KEY_MIMETYPE ); else
+               metadata.put(KEY_MIMETYPE, mimeType);\r
+       }
+
+       public Range getLength() {\r
+               String lengthStr = metadata.get( KEY_LENGTH );\r
+               if ( lengthStr == null ) return null;\r
+               if ( lengthStr == _lengthIsForStr ) return _length;\r
+               try {\r
+                       _lengthIsForStr = lengthStr;\r
+                       _length = Range.valueOf( lengthStr );\r
+               } catch (RangeException e) {\r
+                       _length = null;\r
+               }
+               return _length;\r
+       }
+
+       public int minLength() {
+       if (_length==null) return 0;
+       Limit l = _length.getLower();
+       int value = l.getValue().intValue();
+       if (l.isExclusive()) value++;
+       return value;
+       }
+       
+       public int maxLength() {
+       if (_length==null) return Integer.MAX_VALUE;
+       Limit l = _length.getUpper();
+       int value = l.getValue().intValue();
+       if (l.isExclusive()) value--;
+       return value;
+       }
+
+       /**
+        * Get compiled reg exp pattern 
+        * 
+        * @return pattern or null
+        */
+       public Pattern getCompiledPattern()
+       {
+               String patternStr = metadata.get( KEY_PATTERN );\r
+               if ( patternStr == null ) return null;\r
+               if ( patternStr == pattern_IsForStr ) return pattern_;\r
+               try {\r
+                       pattern_IsForStr = patternStr;\r
+                       pattern_ = Pattern.compile(patternStr);\r
+               } catch (PatternSyntaxException e) {\r
+                       pattern_ = null;\r
+               }\r
+               return pattern_;\r
+       }
+
+       public void setLength(String length) {\r
+               if ( length == null ) metadata.remove( KEY_LENGTH ); else\r
+               metadata.put( KEY_LENGTH, length );
+       }
+       
+       public void setLength(Range range) {
+               if (range == null) {\r
+                       this._length = null;\r
+                       this._lengthIsForStr = null;\r
+                       metadata.remove( KEY_LENGTH );\r
+               } else {\r
+                       this._length = range;\r
+                       this._lengthIsForStr = range.toString();\r
+                       metadata.put( KEY_LENGTH, _lengthIsForStr );                                    \r
+               }\r
+       }\r
+\r
+       @SuppressWarnings("unchecked")\r
+       @Override\r
+       public <T extends Datatype> T getChildType(ChildReference reference) throws ReferenceException {\r
+               if (reference==null) return (T) this;\r
+               throw new ReferenceException(reference.getClass()+" is not a subreference of StringType");      \r
+       }\r
+       \r
+       
+       
+}