svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / DefaultFeatureAttributeDescriptor.java @ 41212
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.feature.impl; |
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|
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import java.text.DateFormat; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Map.Entry; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeGetter; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.dataTypes.DataTypes; |
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import org.gvsig.tools.dynobject.DynField; |
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import org.gvsig.tools.dynobject.DynObjectValueItem; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.dynobject.exception.DynFieldIsNotAContainerException; |
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import org.gvsig.tools.dynobject.exception.DynFieldValidateException; |
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import org.gvsig.tools.evaluator.AbstractEvaluator; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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import org.gvsig.tools.persistence.Persistent; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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|
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public class DefaultFeatureAttributeDescriptor implements |
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FeatureAttributeDescriptor, Persistent, DynField { |
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|
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protected boolean allowNull; |
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protected DataType dataType;
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protected DateFormat dateFormat; |
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protected Object defaultValue; |
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protected int index; |
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protected int maximumOccurrences; |
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protected int minimumOccurrences; |
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protected int size; |
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protected String name; |
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protected Class objectClass; |
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protected int precision; |
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protected Evaluator evaluator;
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protected boolean primaryKey; |
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protected boolean readOnly; |
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protected IProjection SRS;
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protected GeometryType geomType;
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protected int geometryType; |
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protected int geometrySubType; |
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protected Map additionalInfo; |
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protected boolean isAutomatic; |
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protected boolean isTime = false; |
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protected FeatureAttributeGetter featureAttributeGetter = null; |
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protected DefaultFeatureAttributeDescriptor() {
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this.allowNull = true; |
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this.dataType = null; |
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this.dateFormat = null; |
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this.defaultValue = null; |
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this.index = -1; |
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this.maximumOccurrences = 0; |
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this.minimumOccurrences = 0; |
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this.size = 0; |
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this.name = null; |
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this.objectClass = null; |
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this.precision = 0; |
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this.evaluator = null; |
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this.primaryKey = false; |
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this.readOnly = false; |
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this.SRS = null; |
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this.geometryType = Geometry.TYPES.NULL;
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this.geometrySubType = Geometry.SUBTYPES.UNKNOWN;
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this.additionalInfo = null; |
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this.isAutomatic = false; |
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} |
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protected DefaultFeatureAttributeDescriptor(
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DefaultFeatureAttributeDescriptor other) { |
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this.allowNull = other.allowNull;
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this.dataType = other.dataType;
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this.dateFormat = other.dateFormat;
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this.defaultValue = other.defaultValue;
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this.index = other.index;
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this.maximumOccurrences = other.maximumOccurrences;
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this.minimumOccurrences = other.minimumOccurrences;
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this.size = other.size;
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this.name = other.name;
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this.objectClass = other.objectClass;
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this.precision = other.precision;
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this.evaluator = other.evaluator;
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this.primaryKey = other.primaryKey;
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this.readOnly = other.readOnly;
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this.SRS = other.SRS;
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this.geometryType = other.geometryType;
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this.geometrySubType = other.geometrySubType;
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this.geomType = other.geomType;
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if (other.additionalInfo != null) { |
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Iterator iter = other.additionalInfo.entrySet().iterator();
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Map.Entry entry;
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this.additionalInfo = new HashMap(); |
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while (iter.hasNext()) {
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entry = (Entry) iter.next(); |
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this.additionalInfo.put(entry.getKey(), entry.getValue());
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} |
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} else {
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this.additionalInfo = null; |
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} |
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this.isAutomatic = other.isAutomatic;
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this.isTime = other.isTime;
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this.featureAttributeGetter = other.featureAttributeGetter;
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} |
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public String getDataTypeName() { |
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if( this.getDataType() == null ) { |
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return "(unknow)"; |
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} |
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return this.getDataType().getName(); |
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} |
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public FeatureAttributeDescriptor getCopy() {
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return new DefaultFeatureAttributeDescriptor(this); |
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} |
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public boolean allowNull() { |
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return allowNull;
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} |
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public DataType getDataType() {
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if (featureAttributeGetter != null){ |
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return featureAttributeGetter.getDataType();
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} |
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return this.dataType; |
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} |
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public DateFormat getDateFormat() { |
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return this.dateFormat; |
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} |
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public Object getDefaultValue() { |
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return this.defaultValue; |
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} |
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public Evaluator getEvaluator() {
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return this.evaluator; |
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} |
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public int getGeometryType() { |
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return this.geometryType; |
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} |
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public int getGeometrySubType() { |
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return this.geometrySubType; |
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} |
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public GeometryType getGeomType() {
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if (this.geomType == null) { |
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try {
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this.geomType =
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GeometryLocator.getGeometryManager().getGeometryType( |
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this.geometryType, this.geometrySubType); |
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} catch (GeometryException e) {
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throw new RuntimeException( |
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"Error getting geometry type with type = "
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+ this.geometryType + ", subtype = " |
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+ this.geometrySubType, e);
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} |
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} |
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return this.geomType; |
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} |
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public int getIndex() { |
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return this.index; |
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} |
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protected FeatureAttributeDescriptor setIndex(int index) { |
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this.index = index;
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return this; |
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} |
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public int getMaximumOccurrences() { |
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return this.maximumOccurrences; |
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} |
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public int getMinimumOccurrences() { |
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return this.minimumOccurrences; |
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} |
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public String getName() { |
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return this.name; |
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} |
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public Class getObjectClass() { |
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if (getDataType().getType() == DataTypes.OBJECT) {
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return objectClass;
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} |
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return getDataType().getDefaultClass();
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} |
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public int getPrecision() { |
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return this.precision; |
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} |
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public IProjection getSRS() {
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return this.SRS; |
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} |
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public int getSize() { |
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return this.size; |
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} |
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public boolean isPrimaryKey() { |
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return this.primaryKey; |
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} |
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public boolean isReadOnly() { |
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return this.readOnly; |
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} |
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public Object getAdditionalInfo(String infoName) { |
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if (this.additionalInfo == null) { |
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return null; |
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} |
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return this.additionalInfo.get(infoName); |
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} |
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public boolean isAutomatic() { |
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return this.isAutomatic; |
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} |
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private boolean compareObject(Object a, Object b) { |
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if (a != b) {
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if (a == null) { |
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return false; |
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} |
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return a.equals(b);
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} |
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return true; |
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} |
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public boolean equals(Object obj) { |
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if (this == obj) { |
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return true; |
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} |
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if (!(obj instanceof DefaultFeatureAttributeDescriptor)) { |
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return false; |
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} |
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DefaultFeatureAttributeDescriptor other = |
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(DefaultFeatureAttributeDescriptor) obj; |
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|
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if (this.allowNull != other.allowNull) { |
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return false; |
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} |
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|
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if (this.index != other.index) { |
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return false; |
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} |
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if (!compareObject(this.name, other.name)) { |
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return false; |
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} |
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|
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if (this.getDataType() != other.getDataType()) { |
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return false; |
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} |
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if (this.size != other.size) { |
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return false; |
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} |
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if (!compareObject(this.defaultValue, other.defaultValue)) { |
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return false; |
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} |
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|
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if (!compareObject(this.defaultValue, other.defaultValue)) { |
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return false; |
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} |
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|
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if (this.primaryKey != other.primaryKey) { |
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return false; |
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} |
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|
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if (this.isAutomatic != other.isAutomatic) { |
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return false; |
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} |
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|
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if (this.readOnly != other.readOnly) { |
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return false; |
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} |
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|
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if (this.precision != other.precision) { |
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return false; |
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} |
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|
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if (this.maximumOccurrences != other.maximumOccurrences) { |
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return false; |
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} |
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|
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if (this.minimumOccurrences != other.minimumOccurrences) { |
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return false; |
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} |
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|
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if (this.geometryType != other.geometryType) { |
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return false; |
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} |
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|
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if (this.geometrySubType != other.geometrySubType) { |
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return false; |
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} |
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|
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if (!compareObject(this.evaluator, other.evaluator)) { |
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return false; |
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} |
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|
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if (!compareObject(this.SRS, other.SRS)) { |
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return false; |
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} |
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|
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if (!compareObject(this.dateFormat, other.dateFormat)) { |
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return false; |
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} |
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|
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if (!compareObject(this.objectClass, other.objectClass)) { |
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return false; |
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} |
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return true; |
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} |
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|
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public void loadFromState(PersistentState state) |
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throws PersistenceException {
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allowNull = state.getBoolean("allowNull");
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dataType = |
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ToolsLocator.getDataTypesManager().get(state.getInt("dataType"));
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// FIXME how persist dateFormat ???
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// dateFormat;
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defaultValue = state.get("defaultValue");
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|
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index = state.getInt("index");
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maximumOccurrences = state.getInt("maximumOccurrences");
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minimumOccurrences = state.getInt("minimumOccurrences");
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size = state.getInt("size");
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name = state.getString("name");
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try {
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objectClass = Class.forName(state.getString("objectClass")); |
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} catch (ClassNotFoundException e) { |
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throw new PersistenceException(e); |
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} |
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precision = state.getInt("precision");
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evaluator = (Evaluator) state.get("evaluator");
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primaryKey = state.getBoolean("primaryKey");
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readOnly = state.getBoolean("readOnly");
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String srsId = state.getString("srsId"); |
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if (srsId != null) { |
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SRS = CRSFactory.getCRS(srsId); |
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} |
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geometryType = state.getInt("geometryType");
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geometrySubType = state.getInt("geometrySubType");
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additionalInfo = (Map) state.get("aditionalInfo"); |
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isAutomatic = state.getBoolean("isAutomatic");
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} |
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public void saveToState(PersistentState state) throws PersistenceException { |
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state.set("allowNull", allowNull);
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state.set("dataType", dataType);
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// FIXME how persist dateFormat ???
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// dateFormat;
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|
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defaultValue = state.get("defaultValue");
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|
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index = state.getInt("index");
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maximumOccurrences = state.getInt("maximumOccurrences");
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minimumOccurrences = state.getInt("minimumOccurrences");
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size = state.getInt("size");
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name = state.getString("name");
|
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try {
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objectClass = Class.forName(state.getString("objectClass")); |
408 |
} catch (ClassNotFoundException e) { |
409 |
throw new PersistenceException(e); |
410 |
} |
411 |
precision = state.getInt("precision");
|
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evaluator = (Evaluator) state.get("evaluator");
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primaryKey = state.getBoolean("primaryKey");
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readOnly = state.getBoolean("readOnly");
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String srsId = state.getString("srsId"); |
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if (srsId != null) { |
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SRS = CRSFactory.getCRS(srsId); |
418 |
} |
419 |
geometryType = state.getInt("geometryType");
|
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geometrySubType = state.getInt("geometrySubType");
|
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additionalInfo = (Map) state.get("aditionalInfo"); |
422 |
isAutomatic = state.getBoolean("isAutomatic");
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} |
424 |
|
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/**
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* Start of DynField interface Implementation
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* READONLY
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428 |
*/
|
429 |
|
430 |
public DynObjectValueItem[] getAvailableValues() { |
431 |
return null; |
432 |
} |
433 |
|
434 |
public String getDescription() { |
435 |
return getName();
|
436 |
} |
437 |
|
438 |
public Object getMaxValue() { |
439 |
return null; |
440 |
} |
441 |
|
442 |
public Object getMinValue() { |
443 |
return null; |
444 |
} |
445 |
|
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public int getTheTypeOfAvailableValues() { |
447 |
return 0; |
448 |
} |
449 |
|
450 |
public int getType() { |
451 |
if (featureAttributeGetter != null){ |
452 |
return featureAttributeGetter.getDataType().getType();
|
453 |
} |
454 |
return getDataType().getType();
|
455 |
} |
456 |
|
457 |
public boolean isMandatory() { |
458 |
return !allowNull() || isPrimaryKey();
|
459 |
} |
460 |
|
461 |
public boolean isPersistent() { |
462 |
return false; |
463 |
} |
464 |
|
465 |
public DynField setAvailableValues(DynObjectValueItem[] values) { |
466 |
throw new UnsupportedOperationException(); |
467 |
} |
468 |
|
469 |
public DynField setDescription(String description) { |
470 |
throw new UnsupportedOperationException(); |
471 |
} |
472 |
|
473 |
public DynField setMandatory(boolean mandatory) { |
474 |
throw new UnsupportedOperationException(); |
475 |
} |
476 |
|
477 |
public DynField setMaxValue(Object maxValue) { |
478 |
throw new UnsupportedOperationException(); |
479 |
} |
480 |
|
481 |
public DynField setMinValue(Object minValue) { |
482 |
throw new UnsupportedOperationException(); |
483 |
} |
484 |
|
485 |
public DynField setPersistent(boolean persistent) { |
486 |
throw new UnsupportedOperationException(); |
487 |
} |
488 |
|
489 |
public DynField setTheTypeOfAvailableValues(int type) { |
490 |
throw new UnsupportedOperationException(); |
491 |
} |
492 |
|
493 |
public DynField setType(int type) { |
494 |
throw new UnsupportedOperationException(); |
495 |
} |
496 |
|
497 |
public DynField setDefaultDynValue(Object defaultValue) { |
498 |
throw new UnsupportedOperationException(); |
499 |
} |
500 |
|
501 |
public DynField addElementsType() throws DynFieldIsNotAContainerException { |
502 |
throw new UnsupportedOperationException(); |
503 |
} |
504 |
|
505 |
public Class getClassOfValue() { |
506 |
return null; |
507 |
} |
508 |
|
509 |
public DynField getElementsType() {
|
510 |
return null; |
511 |
} |
512 |
|
513 |
public DynField setClassOfValue(Class theClass) |
514 |
throws DynFieldIsNotAContainerException {
|
515 |
throw new UnsupportedOperationException(); |
516 |
} |
517 |
|
518 |
public DynField setElementsType(DynStruct type)
|
519 |
throws DynFieldIsNotAContainerException {
|
520 |
throw new UnsupportedOperationException(); |
521 |
} |
522 |
|
523 |
public DynField setElementsType(int type) |
524 |
throws DynFieldIsNotAContainerException {
|
525 |
throw new UnsupportedOperationException(); |
526 |
} |
527 |
|
528 |
public DynField setSubtype(String subtype) { |
529 |
throw new UnsupportedOperationException(); |
530 |
} |
531 |
|
532 |
public void validate(Object value) throws DynFieldValidateException { |
533 |
|
534 |
if (value == null && !this.allowNull()) { |
535 |
throw new DynFieldValidateException(value, this, null); |
536 |
} |
537 |
|
538 |
try {
|
539 |
this.dataType.coerce(value);
|
540 |
} catch (CoercionException e) {
|
541 |
throw new DynFieldValidateException(value, this, e); |
542 |
} |
543 |
|
544 |
/*
|
545 |
* Other checks will be needed
|
546 |
*/
|
547 |
} |
548 |
|
549 |
public String getSubtype() { |
550 |
if (featureAttributeGetter != null){ |
551 |
return featureAttributeGetter.getDataType().getSubtype();
|
552 |
} |
553 |
return this.dataType.getSubtype(); |
554 |
} |
555 |
|
556 |
public Object coerce(Object value) { |
557 |
throw new UnsupportedOperationException(); |
558 |
} |
559 |
|
560 |
public DynField setAvailableValues(List values) { |
561 |
throw new UnsupportedOperationException(); |
562 |
} |
563 |
|
564 |
public String getGroup() { |
565 |
return null; |
566 |
} |
567 |
|
568 |
public int getOder() { |
569 |
return 0; |
570 |
} |
571 |
|
572 |
public DynField setGroup(String groupName) { |
573 |
throw new UnsupportedOperationException(); |
574 |
} |
575 |
|
576 |
public DynField setOrder(int order) { |
577 |
throw new UnsupportedOperationException(); |
578 |
} |
579 |
|
580 |
public DynField setHidden(boolean hidden) { |
581 |
throw new UnsupportedOperationException(); |
582 |
} |
583 |
|
584 |
public boolean isHidden() { |
585 |
return false; |
586 |
} |
587 |
|
588 |
public DynField setReadOnly(boolean arg0) { |
589 |
throw new UnsupportedOperationException(); |
590 |
} |
591 |
|
592 |
public boolean isContainer() { |
593 |
return false; |
594 |
} |
595 |
|
596 |
public Class getClassOfItems() { |
597 |
return null; |
598 |
} |
599 |
|
600 |
public DynField setDefaultFieldValue(Object defaultValue) { |
601 |
throw new UnsupportedOperationException(); |
602 |
} |
603 |
|
604 |
public DynField setClassOfItems(Class theClass) { |
605 |
throw new UnsupportedOperationException(); |
606 |
} |
607 |
|
608 |
public DynField setType(DataType type) {
|
609 |
throw new UnsupportedOperationException(); |
610 |
} |
611 |
|
612 |
public boolean isTime() { |
613 |
return isTime;
|
614 |
} |
615 |
|
616 |
public FeatureAttributeGetter getFeatureAttributeGetter() {
|
617 |
return featureAttributeGetter;
|
618 |
} |
619 |
|
620 |
public void setFeatureAttributeGetter( |
621 |
FeatureAttributeGetter featureAttributeTransform) { |
622 |
this.featureAttributeGetter = featureAttributeTransform;
|
623 |
} |
624 |
|
625 |
private class ConstantValueEvaluator extends AbstractEvaluator { |
626 |
public Object evaluate(EvaluatorData data) throws EvaluatorException { |
627 |
return defaultValue;
|
628 |
} |
629 |
public String getName() { |
630 |
return "Constant attribute "+name; |
631 |
} |
632 |
} |
633 |
public void setConstantValue(boolean isConstantValue) { |
634 |
if( isConstantValue ) {
|
635 |
/* Cuando un attributo tiene asociado un evaluador, este se interpreta
|
636 |
* como que no debe cargarse de la fuente de datos subyacente, siendo
|
637 |
* el evaluador el que se encarga de proporcionar su valor.
|
638 |
* Nos limitamos a asignar un evaluador que retorna simpre el valor
|
639 |
* por defecto para ese attributo.
|
640 |
*/
|
641 |
this.evaluator = new ConstantValueEvaluator(); |
642 |
} else {
|
643 |
this.evaluator = null; |
644 |
} |
645 |
} |
646 |
|
647 |
} |