diff options
Diffstat (limited to 'src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java')
-rw-r--r-- | src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java b/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java new file mode 100644 index 000000000..e246a033a --- /dev/null +++ b/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java @@ -0,0 +1,62 @@ +/* + * Copyright 2005 The Apache Software Foundation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* $Id$ */ + +package org.apache.fop.fo.properties; + +import org.apache.fop.fo.PropertyList; +import org.apache.fop.fo.expr.PropertyException; +import org.apache.fop.fo.properties.NumberProperty.Maker; + +/** + * Custom Maker adding validity check for reference-orientation + */ +public class ReferenceOrientationMaker extends Maker { + + /** + * Constructor + * @param propId the Constant Id for the property to be made + * @see org.apache.fop.fo.properties.PropertyMaker#PropertyMaker(propId) + */ + public ReferenceOrientationMaker(int propId) { + super(propId); + } + + /** + * Check the value of the reference-orientation property. + * + * @see org.apache.fop.fo.properties.PropertyMaker#get(int, PropertyList, boolean, boolean) + */ + public Property get(int subpropId, PropertyList propertyList, + boolean tryInherit, boolean tryDefault) + throws PropertyException { + + Property p = super.get(0, propertyList, tryInherit, tryDefault); + int ro = 0; + if (p != null) { + ro = p.getNumeric().getValue(); + } + if ((Math.abs(ro) % 90) == 0 && (Math.abs(ro) / 90) <= 3) { + return p; + } else { + throw new PropertyException("Illegal property value: " + + "reference-orientation=\"" + ro + "\" " + + "on " + propertyList.getFObj().getName()); + } + } + +}
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