src/skrueger/AttributeMetadataImpl.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Krüger - additional utility classes
 ******************************************************************************/
package skrueger;

import java.util.HashSet;
import java.util.List;

import org.apache.log4j.Logger;
import org.geotools.feature.NameImpl;
import org.opengis.feature.type.AttributeDescriptor;

import skrueger.geotools.Copyable;
import skrueger.geotools.StyledLayerInterface;
import skrueger.i8n.I8NUtil;
import skrueger.i8n.Translation;

/**
 * This class holds meta information about an attribute/column. This information
 * is used by {@link StyledLayerInterface} and many others.<br/>
 * 
 * @author <a href="mailto:[email protected]">Stefan Alfons Kr&uuml;ger</a>
 */
public class AttributeMetadataImpl extends AbstractAttributeMetadata implements
                QualityQuantizable {

        static private final Logger LOGGER = Logger
                        .getLogger(AttributeMetadataImpl.class);

        /**
         * For numerical attributes the value can be transformed by VALUE*X+A when
         * presented on screen. TODO not implemented yet
         **/
        protected Double functionA = 0.;

        /**
         * For numerical attributes the value can be transformed by VALUE*X+A when
         * presented on screen. TODO not implemented yet
         **/
        protected Double functionX = 1.;

        /** Only used for {@link Copyable<AttributeMetaData>#copy()} **/
        private AttributeMetadataImpl() {
        }

        public AttributeMetadataImpl(final AttributeDescriptor attDesc,
                        final int weight, final List<String> langs) {
                this( new NameImpl(attDesc.getName().getNamespaceURI(), attDesc.getName().getLocalPart()), langs);
                setWeight(weight);
        }

        public AttributeMetadataImpl(final AttributeDescriptor attDesc,
                        final List<String> langs) {
                this(new NameImpl(attDesc.getName().getNamespaceURI(), attDesc.getName().getLocalPart()), langs);
        }

        /**
         * Creates an {@link AttributeMetadataImpl} object with the following
         * information
         * 
         * @param colIdx
         *            The column index of this attribute in the underlying
         *            table/dbf/etc...
         * @param visible
         *            Shall this attribute be displayed or hidden from the user?
         * @param title
         *            {@link Translation} for Name
         * @param desc
         *            {@link Translation} for an attribute description
         * @param unit
         *            {@link String} of the unit that the information is in
         */
        public AttributeMetadataImpl(final NameImpl name, final Boolean visible,
                        final Translation title, final Translation desc, final String unit) {

                this.setName(name);
                this.title = title;
                this.desc = desc;
                this.visible = visible;
                this.unit = unit;
        }

        /**
         * Creates an {@link AttributeMetadataImpl} object with the following
         * information
         * 
         * @param colIdx
         *            The column index of this attribute in the underlying
         *            table/dbf/etc...
         * @param visible
         *            Shall this attribute be displayed or hidden from the user?
         * @param unit
         *            {@link String} of the unit that the information is in
         */
        public AttributeMetadataImpl(final NameImpl name, final Boolean visible,
                        final String unit) {
                this.setName(name);
                this.visible = visible;
                this.unit = unit;
        }

        /**
         * Creates a new visible {@link AttributeMetadataImpl}
         */
        public AttributeMetadataImpl(final NameImpl name, final List<String> langs) {
                this(name, true, new Translation(langs, name.getLocalPart()),
                                new Translation(), "");
        }

        /**
         * Creates a new visible {@link AttributeMetadataImpl}
         */
        public AttributeMetadataImpl(final NameImpl name, final String defaultTitle,
                        final List<String> langs) {
                this(name, true, new Translation(langs, defaultTitle),
                                new Translation(), "");
        }

        /**
         * Creates an {@link AttributeMetadataImpl} object with the following
         * information
         * 
         * @param visible
         *            Shall this attribute be displayed or hidden from the user?
         * @param title
         *            {@link Translation} for Name
         * @param desc
         *            {@link Translation} for an attribute description
         * @param unit
         *            {@link String} of the unit that the information is in
         */
        public AttributeMetadataImpl(final String localName, final Boolean visible,
                        final Translation title, final Translation desc, final String unit) {
                this(new NameImpl(localName), true, title, desc, "");
        }

        /**
         * Creates a new visible {@link AttributeMetadataImpl} with default (no)
         * values.
         */
        public AttributeMetadataImpl(final String localName,
                        final List<String> langs) {
                this(localName, true, new Translation(langs, localName),
                                new Translation(), "");
        }

        /**
         * Creates a new visible {@link AttributeMetadataImpl}
         */
        public AttributeMetadataImpl(final String localName,
                        final String defaultTitle, final List<String> langs) {
                this(localName, true, new Translation(langs, defaultTitle),
                                new Translation(), "");
        }

        /**
         * Orders the attributes according to their {@link #weight}. Heavier =>
         * further down.
         */
        @Override
        public int compareTo(final AttributeMetadata atm2) {
                return new Integer(weight).compareTo(new Double(atm2.getWeight())
                                .intValue());
        }

        /**
         * @see Copyable inferface
         */
        @Override
        public AttributeMetadata copy() {
                return copyTo(new AttributeMetadataImpl());
        }

        /**
         * @see Copyable inferface
         */
        @Override
        public AttributeMetadata copyTo(final AttributeMetadata amd) {
                getTitle().copyTo(amd.getTitle());
                getDesc().copyTo(amd.getDesc());
                amd.setUnit(getUnit());
                amd.setVisible(isVisible());
                amd.setName(new NameImpl(getName().getNamespaceURI(), getName()
                                .getLocalPart()));

                amd.setWeight(getWeight());

                if (amd instanceof AttributeMetadataImpl) {
                        AttributeMetadataImpl amd_ = (AttributeMetadataImpl) amd;

                        amd_.setFunctionX(getFunctionX());
                        amd_.setFunctionA(getFunctionA());
                        amd_.setNodataValues(getNodataValues());
                }

                return amd;
        }

        // only to be used by copyTo()
        private void setNodataValues(HashSet<Object> nodataValues_) {
                nodataValues = nodataValues_;
        }

        public Double getFunctionA() {
                return functionA;
        }

        public Double getFunctionX() {
                return functionX;
        }

        /**
         * @return a number between 0 (bad) and 1 (good) that is calculated from the
         *         amount of translation available. If this attribute is not
         *         {@link #visible}, it will return 1.
         */
        @Override
        public double getQuality(final List<String> languages) {

                if (!isVisible())
                        return 1.;

                return (I8NUtil.qmTranslation(languages, getTitle()) * 2. + I8NUtil
                                .qmTranslation(languages, getDesc()) * 1.) / 3.;
        }

        public void setFunctionA(final Double functionA) {
                this.functionA = functionA;
        }

        public void setFunctionX(final Double functionX) {
                this.functionX = functionX;
        }


}
1	alfonx	244	/*******************************************************************************
2			* Copyright (c) 2009 Martin O. J. Schmitz.
3			*
4			* This file is part of the SCHMITZM library - a collection of utility
5	alfonx	256	* classes based on Java 1.6, focusing (not only) on Java Swing
6	alfonx	244	* and the Geotools library.
7			*
8			* The SCHMITZM project is hosted at:
9			* http://wald.intevation.org/projects/schmitzm/
10			*
11			* This program is free software; you can redistribute it and/or
12			* modify it under the terms of the GNU Lesser General Public License
13			* as published by the Free Software Foundation; either version 3
14			* of the License, or (at your option) any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU Lesser General Public License (license.txt)
22			* along with this program; if not, write to the Free Software
23			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24			* or try this link: http://www.gnu.org/licenses/lgpl.html
25			*
26			* Contributors:
27			* Martin O. J. Schmitz - initial API and implementation
28			* Stefan A. Krüger - additional utility classes
29			******************************************************************************/
30			package skrueger;
31
32	alfonx	658	import java.util.HashSet;
33	alfonx	518	import java.util.List;
34
35	alfonx	244	import org.apache.log4j.Logger;
36	alfonx	464	import org.geotools.feature.NameImpl;
37			import org.opengis.feature.type.AttributeDescriptor;
38	alfonx	244
39	alfonx	420	import skrueger.geotools.Copyable;
40	mojays	325	import skrueger.geotools.StyledLayerInterface;
41	alfonx	518	import skrueger.i8n.I8NUtil;
42	alfonx	244	import skrueger.i8n.Translation;
43
44			/**
45	alfonx	464	* This class holds meta information about an attribute/column. This information
46	alfonx	518	* is used by {@link StyledLayerInterface} and many others.<br/>
47	alfonx	464	*
48	alfonx	244	* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a>
49			*/
50	alfonx	769	public class AttributeMetadataImpl extends AbstractAttributeMetadata implements
51			QualityQuantizable {
52	alfonx	681
53	alfonx	244	static private final Logger LOGGER = Logger
54	alfonx	769	.getLogger(AttributeMetadataImpl.class);
55	alfonx	464
56	alfonx	534	/**
57			* For numerical attributes the value can be transformed by VALUE*X+A when
58			* presented on screen. TODO not implemented yet
59			**/
60			protected Double functionA = 0.;
61	alfonx	518
62			/**
63	alfonx	534	* For numerical attributes the value can be transformed by VALUE*X+A when
64			* presented on screen. TODO not implemented yet
65	alfonx	518	**/
66	alfonx	534	protected Double functionX = 1.;
67	alfonx	518
68	alfonx	534	/ Only used for {@link Copyable<AttributeMetaData>#copy()} /
69	alfonx	769	private AttributeMetadataImpl() {
70	alfonx	534	}
71
72	alfonx	769	public AttributeMetadataImpl(final AttributeDescriptor attDesc,
73	alfonx	681	final int weight, final List<String> langs) {
74	alfonx	770	this( new NameImpl(attDesc.getName().getNamespaceURI(), attDesc.getName().getLocalPart()), langs);
75	alfonx	534	setWeight(weight);
76			}
77
78	alfonx	769	public AttributeMetadataImpl(final AttributeDescriptor attDesc,
79	alfonx	681	final List<String> langs) {
80	alfonx	770	this(new NameImpl(attDesc.getName().getNamespaceURI(), attDesc.getName().getLocalPart()), langs);
81	alfonx	534	}
82
83	alfonx	518	/**
84	alfonx	769	* Creates an {@link AttributeMetadataImpl} object with the following
85	alfonx	464	* information
86			*
87			* @param colIdx
88			* The column index of this attribute in the underlying
89			* table/dbf/etc...
90			* @param visible
91			* Shall this attribute be displayed or hidden from the user?
92			* @param title
93			* {@link Translation} for Name
94			* @param desc
95			* {@link Translation} for an attribute description
96			* @param unit
97			* {@link String} of the unit that the information is in
98	alfonx	244	*/
99	alfonx	770	public AttributeMetadataImpl(final NameImpl name, final Boolean visible,
100	alfonx	244	final Translation title, final Translation desc, final String unit) {
101	alfonx	464
102			this.setName(name);
103	alfonx	244	this.title = title;
104			this.desc = desc;
105	alfonx	546	this.visible = visible;
106	alfonx	244	this.unit = unit;
107			}
108
109			/**
110	alfonx	769	* Creates an {@link AttributeMetadataImpl} object with the following
111	alfonx	658	* information
112			*
113			* @param colIdx
114			* The column index of this attribute in the underlying
115			* table/dbf/etc...
116			* @param visible
117			* Shall this attribute be displayed or hidden from the user?
118			* @param unit
119			* {@link String} of the unit that the information is in
120			*/
121	alfonx	770	public AttributeMetadataImpl(final NameImpl name, final Boolean visible,
122	alfonx	681	final String unit) {
123	alfonx	658	this.setName(name);
124			this.visible = visible;
125			this.unit = unit;
126			}
127
128			/**
129	alfonx	769	* Creates a new visible {@link AttributeMetadataImpl}
130	alfonx	534	*/
131	alfonx	770	public AttributeMetadataImpl(final NameImpl name, final List<String> langs) {
132	alfonx	534	this(name, true, new Translation(langs, name.getLocalPart()),
133			new Translation(), "");
134			}
135
136			/**
137	alfonx	769	* Creates a new visible {@link AttributeMetadataImpl}
138	alfonx	534	*/
139	alfonx	770	public AttributeMetadataImpl(final NameImpl name, final String defaultTitle,
140	alfonx	534	final List<String> langs) {
141			this(name, true, new Translation(langs, defaultTitle),
142			new Translation(), "");
143			}
144
145			/**
146	alfonx	769	* Creates an {@link AttributeMetadataImpl} object with the following
147	alfonx	464	* information
148			*
149			* @param visible
150			* Shall this attribute be displayed or hidden from the user?
151			* @param title
152			* {@link Translation} for Name
153			* @param desc
154			* {@link Translation} for an attribute description
155			* @param unit
156			* {@link String} of the unit that the information is in
157	alfonx	244	*/
158	alfonx	769	public AttributeMetadataImpl(final String localName, final Boolean visible,
159	alfonx	464	final Translation title, final Translation desc, final String unit) {
160			this(new NameImpl(localName), true, title, desc, "");
161	alfonx	244	}
162
163	alfonx	464	/**
164	alfonx	769	* Creates a new visible {@link AttributeMetadataImpl} with default (no)
165			* values.
166	alfonx	464	*/
167	alfonx	769	public AttributeMetadataImpl(final String localName,
168			final List<String> langs) {
169	alfonx	534	this(localName, true, new Translation(langs, localName),
170			new Translation(), "");
171	alfonx	464	}
172
173			/**
174	alfonx	769	* Creates a new visible {@link AttributeMetadataImpl}
175	alfonx	464	*/
176	alfonx	769	public AttributeMetadataImpl(final String localName,
177			final String defaultTitle, final List<String> langs) {
178	alfonx	534	this(localName, true, new Translation(langs, defaultTitle),
179			new Translation(), "");
180	alfonx	464	}
181
182			/**
183	alfonx	534	* Orders the attributes according to their {@link #weight}. Heavier =>
184			* further down.
185	alfonx	464	*/
186	alfonx	534	@Override
187			public int compareTo(final AttributeMetadata atm2) {
188	alfonx	769	return new Integer(weight).compareTo(new Double(atm2.getWeight())
189			.intValue());
190	alfonx	464	}
191
192			/**
193	alfonx	534	* @see Copyable inferface
194	alfonx	464	*/
195	alfonx	534	@Override
196			public AttributeMetadata copy() {
197	alfonx	769	return copyTo(new AttributeMetadataImpl());
198	alfonx	464	}
199
200	alfonx	534	/**
201			* @see Copyable inferface
202			*/
203			@Override
204			public AttributeMetadata copyTo(final AttributeMetadata amd) {
205			getTitle().copyTo(amd.getTitle());
206			getDesc().copyTo(amd.getDesc());
207			amd.setUnit(getUnit());
208			amd.setVisible(isVisible());
209			amd.setName(new NameImpl(getName().getNamespaceURI(), getName()
210			.getLocalPart()));
211
212			amd.setWeight(getWeight());
213
214	alfonx	769	if (amd instanceof AttributeMetadataImpl) {
215			AttributeMetadataImpl amd_ = (AttributeMetadataImpl) amd;
216	alfonx	534
217	alfonx	769	amd_.setFunctionX(getFunctionX());
218			amd_.setFunctionA(getFunctionA());
219			amd_.setNodataValues(getNodataValues());
220			}
221
222	alfonx	534	return amd;
223	alfonx	420	}
224
225	alfonx	678	// only to be used by copyTo()
226	alfonx	769	private void setNodataValues(HashSet<Object> nodataValues_) {
227			nodataValues = nodataValues_;
228	alfonx	678	}
229
230	alfonx	534	public Double getFunctionA() {
231			return functionA;
232	alfonx	523	}
233
234	alfonx	534	public Double getFunctionX() {
235			return functionX;
236	alfonx	244	}
237
238	alfonx	534	/**
239			* @return a number between 0 (bad) and 1 (good) that is calculated from the
240			* amount of translation available. If this attribute is not
241			* {@link #visible}, it will return 1.
242			*/
243	alfonx	769	@Override
244	alfonx	534	public double getQuality(final List<String> languages) {
245
246			if (!isVisible())
247			return 1.;
248
249			return (I8NUtil.qmTranslation(languages, getTitle()) * 2. + I8NUtil
250			.qmTranslation(languages, getDesc()) * 1.) / 3.;
251	alfonx	244	}
252
253	alfonx	534	public void setFunctionA(final Double functionA) {
254			this.functionA = functionA;
255	alfonx	420	}
256
257	alfonx	534	public void setFunctionX(final Double functionX) {
258			this.functionX = functionX;
259	alfonx	420	}
260	alfonx	464
261
262	alfonx	244	}