skrueger/geotools/AbstractStyledLayer.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. Tzeggai - additional utility classes
 ******************************************************************************/
package skrueger.geotools;

import javax.swing.ImageIcon;

import org.apache.log4j.Logger;
import org.geotools.styling.Style;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import schmitzm.lang.LangUtil;
import skrueger.i8n.Translation;

import com.vividsolutions.jts.geom.Envelope;

/**
 * This class is a default implementation of {@link StyledLayerInterface}.
 * {@link StyledLayerInterface#dispose()} and {@link StyledLayerInterface#uncache()}
 * must be implemented by the sub class. This class only implements the "hold"
 * of an geo object of type {@code <E>}.
 * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)
 * @version 1.0
 */
public abstract class AbstractStyledLayer<E> implements StyledLayerInterface<E> {
  /** Logger for warning- and error messages. */
  protected Logger LOGGER = LangUtil.createLogger(this);

  /** Holds the unique ID of the geo object. */
  protected String id = null;
  /** Holds a short (language-specific) description of the geo object. */
  protected Translation title = null;
  /** Holds a long (language-specific) description of the geo object. */
  protected Translation desc = null;
  /** Holds the (language-specific) keywords to describe the geo object. */
  protected Translation keywords = null;
  /** Holds an icon to represent the geo object */
  protected ImageIcon icon = null;
  /** Holds the geo object represeneted by the map */
  protected E geoObject = null;
  /** Holds the CRS of the geo object */
  protected CoordinateReferenceSystem crs = null;
  /** Holds the bounds of the geo object */
  protected Envelope envelope = null;
  /** Holds the display style for the geo object */
  protected Style style = null;

  /**
   * Creates a language specific styled layer.
   * @param geoObject the geo object
   * @param envelope the bounds of the geo object
   * @param crs the CRS of the geo object
   * @param id a unique ID for the geo object
   * @param title a (language-specific) short description
   * @param desc a (language-specific) long description
   * @param keywords (language-specific) keywords for the geo objects
   * @param style a display style
   * @param icon an icon for the object
   * @exception IllegalArgumentException if {@code null} is given as ID or
   *            geo object
   */
  public AbstractStyledLayer(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, Translation title, Translation desc, Translation keywords, Style style, ImageIcon icon) {
    if ( id == null )
      throw new IllegalArgumentException("ID is not allowed to be null!");
    if ( geoObject == null )
      throw new IllegalArgumentException("The GeoObject is not allowed to be null!");
    this.id        = id;
    this.geoObject = geoObject;
    this.crs       = crs;
    this.envelope  = envelope;
    setTitle( title );
    setDesc( desc );
    setKeywords( keywords );
    setStyle( style );
    setImageIcon( icon );
  }

  /**
   * Creates a non-translated styled layer.
   * @param geoObject the geo object
   * @param envelope the bounds of the geo object
   * @param crs the CRS of the geo object
   * @param id a unique ID for the geo object
   * @param title a short description
   * @param desc a long description
   * @param keywords keywords for the geo objects
   * @param style a display style
   * @param icon an icon for the object
   * @exception IllegalArgumentException if {@code null} is given as ID
   */
  public AbstractStyledLayer(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, String title, String desc, String keywords, Style style, ImageIcon icon ) {
    this(geoObject, envelope, crs, id, (Translation)null, null, null, style, icon);
    setTitle( title );
    setDesc( desc );
    setKeywords( keywords );
  }

  /**
   * Returns a ID for the geo object. The ID should be unique in a map ob
   * {@linkplain StyledLayerInterface styled layer objects}
   */
  public String getId() {
    return id;
  }

  /**
   * Returns a short (language-specific) description of the geo object.
   */
  public Translation getTitle() {
    return title;
  }

  /**
   * Sets a short (language-specific) description of the geo object.
   * If {@code title} is {@code null} an untranslated default title is set, so
   * {@link #getTitle()} never returns {@code null}.
   * @param title new description for the geo object
   */
  public void setTitle(Translation title) {
    this.title = (title != null) ? title : new Translation("untitled");
  }

  /**
   * Sets a short (non-translated) description of the geo object.
   * If {@code title} is {@code null} an untranslated default title is set, so
   * {@link #getTitle()} never returns {@code null}.
   * @param title new description for the geo object
   */
  public void setTitle(String title) {
    setTitle( title != null ? new Translation(title): (Translation)null );
  }

  /**
   * Returns a long (language-specific) description of the object.
   */
  public Translation getDesc() {
    return desc;
  }

  /**
   * Sets a long (language-specific) description of the object.
   * If {@code desc} is {@code null} an (untranslated) empty description is set, so
   * {@link #getDesc()} never returns {@code null}.
   * @param desc new description for the geo object
  */
  public void setDesc(Translation desc) {
    this.desc = (desc != null) ? desc : new Translation("");
  }

  /**
   * Sets a long (non-translated) description of the object.
   * If {@code desc} is {@code null} an (untranslated) empty description is set, so
   * {@link #getDesc()} never returns {@code null}.
   * @param desc new description for the geo object
  */
  public void setDesc(String desc) {
    setDesc( desc != null ? new Translation(desc) : (Translation)null);
  }

  /**
   * Returns a (language-specific) key word sequence for the geo object.
   */
  public Translation getKeywords() {
    return keywords;
  }

  /**
   * Sets a (language-specific) key word sequence for the geo object.
   * If {@code keywords} is {@code null} an (untranslated) empty string is set, so
   * {@link #getKeywords()} never returns {@code null}.
   * @param keywords Keywords
   */
  public void setKeywords(Translation keywords) {
    this.keywords = (keywords != null) ? keywords : new Translation("");
  }

  /**
   * Sets a (non-translated) key word sequence for the geo object.
   * If {@code keywords} is {@code null} an (untranslated) empty string is set, so
   * {@link #getKeywords()} never returns {@code null}.
   * @param keywords Keywords
   */
  public void setKeywords(String keywords) {
    setKeywords( keywords != null ? new Translation(keywords) : (Translation)null);
  }

  /**
   * Returns the geo object representet in the map. Sub classes must override
   * this method to implement "late loading" on first call.
   * @return {@link #geoObject}
   */
  public E getGeoObject() {
    return geoObject;
  }

  /**
   * Returns the bounds of the geo object.
   */
  public Envelope getEnvelope() {
    return envelope;
  }

  /**
   * Returns the {@link CoordinateReferenceSystem} of the geo object.
   */
  public CoordinateReferenceSystem getCrs() {
    return crs;
  }

  /**
   * Returns {@link #crs CoordinateReferenceSystem.toString()}. This method
   * can be overriden to create a "nicer" description.
   */
  public String getCRSString() {
    return crs.toString();
  }

  /**
   * Returns an icon, which represents the geo object.
   */
  public ImageIcon getImageIcon() {
    return null;
  }

  /**
   * Sets an icon, which represents the geo object.
   * @param icon an icon
   */
  public void setImageIcon(ImageIcon icon) {
    this.icon = icon;
  }

  /**
   * Returns the display style for the geo object.
   */
  public Style getStyle() {
    return style;
  }

  /**
   * Sets the display style for the geo object.
   * If {@code style} is {@code null} an default style is set, so
   * {@link #getStyle()} never returns {@code null}.
   * @see #createDefaultStyle()
   */
  public void setStyle(Style style) {
    this.style = (style != null) ? style : createDefaultStyle();
  }

  /**
   * Creates a default style for the geo object. This style is used whenever
   * the style is set to {@code null}.
   * @see #setStyle(Style)
   */
  protected abstract Style createDefaultStyle();
}
1	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* 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. Tzeggai - additional utility classes
29	******************************************************************************/
30	package skrueger.geotools;
31
32	import javax.swing.ImageIcon;
33
34	import org.apache.log4j.Logger;
35	import org.geotools.styling.Style;
36	import org.opengis.referencing.crs.CoordinateReferenceSystem;
37
38	import schmitzm.lang.LangUtil;
39	import skrueger.i8n.Translation;
40
41	import com.vividsolutions.jts.geom.Envelope;
42
43	/**
44	* This class is a default implementation of {@link StyledLayerInterface}.
45	* {@link StyledLayerInterface#dispose()} and {@link StyledLayerInterface#uncache()}
46	* must be implemented by the sub class. This class only implements the "hold"
47	* of an geo object of type {@code <E>}.
48	* @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)
49	* @version 1.0
50	*/
51	public abstract class AbstractStyledLayer<E> implements StyledLayerInterface<E> {
52	/** Logger for warning- and error messages. */
53	protected Logger LOGGER = LangUtil.createLogger(this);
54
55	/** Holds the unique ID of the geo object. */
56	protected String id = null;
57	/** Holds a short (language-specific) description of the geo object. */
58	protected Translation title = null;
59	/** Holds a long (language-specific) description of the geo object. */
60	protected Translation desc = null;
61	/** Holds the (language-specific) keywords to describe the geo object. */
62	protected Translation keywords = null;
63	/** Holds an icon to represent the geo object */
64	protected ImageIcon icon = null;
65	/** Holds the geo object represeneted by the map */
66	protected E geoObject = null;
67	/** Holds the CRS of the geo object */
68	protected CoordinateReferenceSystem crs = null;
69	/** Holds the bounds of the geo object */
70	protected Envelope envelope = null;
71	/** Holds the display style for the geo object */
72	protected Style style = null;
73
74	/**
75	* Creates a language specific styled layer.
76	* @param geoObject the geo object
77	* @param envelope the bounds of the geo object
78	* @param crs the CRS of the geo object
79	* @param id a unique ID for the geo object
80	* @param title a (language-specific) short description
81	* @param desc a (language-specific) long description
82	* @param keywords (language-specific) keywords for the geo objects
83	* @param style a display style
84	* @param icon an icon for the object
85	* @exception IllegalArgumentException if {@code null} is given as ID or
86	* geo object
87	*/
88	public AbstractStyledLayer(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, Translation title, Translation desc, Translation keywords, Style style, ImageIcon icon) {
89	if ( id == null )
90	throw new IllegalArgumentException("ID is not allowed to be null!");
91	if ( geoObject == null )
92	throw new IllegalArgumentException("The GeoObject is not allowed to be null!");
93	this.id = id;
94	this.geoObject = geoObject;
95	this.crs = crs;
96	this.envelope = envelope;
97	setTitle( title );
98	setDesc( desc );
99	setKeywords( keywords );
100	setStyle( style );
101	setImageIcon( icon );
102	}
103
104	/**
105	* Creates a non-translated styled layer.
106	* @param geoObject the geo object
107	* @param envelope the bounds of the geo object
108	* @param crs the CRS of the geo object
109	* @param id a unique ID for the geo object
110	* @param title a short description
111	* @param desc a long description
112	* @param keywords keywords for the geo objects
113	* @param style a display style
114	* @param icon an icon for the object
115	* @exception IllegalArgumentException if {@code null} is given as ID
116	*/
117	public AbstractStyledLayer(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, String title, String desc, String keywords, Style style, ImageIcon icon ) {
118	this(geoObject, envelope, crs, id, (Translation)null, null, null, style, icon);
119	setTitle( title );
120	setDesc( desc );
121	setKeywords( keywords );
122	}
123
124	/**
125	* Returns a ID for the geo object. The ID should be unique in a map ob
126	* {@linkplain StyledLayerInterface styled layer objects}
127	*/
128	public String getId() {
129	return id;
130	}
131
132	/**
133	* Returns a short (language-specific) description of the geo object.
134	*/
135	public Translation getTitle() {
136	return title;
137	}
138
139	/**
140	* Sets a short (language-specific) description of the geo object.
141	* If {@code title} is {@code null} an untranslated default title is set, so
142	* {@link #getTitle()} never returns {@code null}.
143	* @param title new description for the geo object
144	*/
145	public void setTitle(Translation title) {
146	this.title = (title != null) ? title : new Translation("untitled");
147	}
148
149	/**
150	* Sets a short (non-translated) description of the geo object.
151	* If {@code title} is {@code null} an untranslated default title is set, so
152	* {@link #getTitle()} never returns {@code null}.
153	* @param title new description for the geo object
154	*/
155	public void setTitle(String title) {
156	setTitle( title != null ? new Translation(title): (Translation)null );
157	}
158
159	/**
160	* Returns a long (language-specific) description of the object.
161	*/
162	public Translation getDesc() {
163	return desc;
164	}
165
166	/**
167	* Sets a long (language-specific) description of the object.
168	* If {@code desc} is {@code null} an (untranslated) empty description is set, so
169	* {@link #getDesc()} never returns {@code null}.
170	* @param desc new description for the geo object
171	*/
172	public void setDesc(Translation desc) {
173	this.desc = (desc != null) ? desc : new Translation("");
174	}
175
176	/**
177	* Sets a long (non-translated) description of the object.
178	* If {@code desc} is {@code null} an (untranslated) empty description is set, so
179	* {@link #getDesc()} never returns {@code null}.
180	* @param desc new description for the geo object
181	*/
182	public void setDesc(String desc) {
183	setDesc( desc != null ? new Translation(desc) : (Translation)null);
184	}
185
186	/**
187	* Returns a (language-specific) key word sequence for the geo object.
188	*/
189	public Translation getKeywords() {
190	return keywords;
191	}
192
193	/**
194	* Sets a (language-specific) key word sequence for the geo object.
195	* If {@code keywords} is {@code null} an (untranslated) empty string is set, so
196	* {@link #getKeywords()} never returns {@code null}.
197	* @param keywords Keywords
198	*/
199	public void setKeywords(Translation keywords) {
200	this.keywords = (keywords != null) ? keywords : new Translation("");
201	}
202
203	/**
204	* Sets a (non-translated) key word sequence for the geo object.
205	* If {@code keywords} is {@code null} an (untranslated) empty string is set, so
206	* {@link #getKeywords()} never returns {@code null}.
207	* @param keywords Keywords
208	*/
209	public void setKeywords(String keywords) {
210	setKeywords( keywords != null ? new Translation(keywords) : (Translation)null);
211	}
212
213	/**
214	* Returns the geo object representet in the map. Sub classes must override
215	* this method to implement "late loading" on first call.
216	* @return {@link #geoObject}
217	*/
218	public E getGeoObject() {
219	return geoObject;
220	}
221
222	/**
223	* Returns the bounds of the geo object.
224	*/
225	public Envelope getEnvelope() {
226	return envelope;
227	}
228
229	/**
230	* Returns the {@link CoordinateReferenceSystem} of the geo object.
231	*/
232	public CoordinateReferenceSystem getCrs() {
233	return crs;
234	}
235
236	/**
237	* Returns {@link #crs CoordinateReferenceSystem.toString()}. This method
238	* can be overriden to create a "nicer" description.
239	*/
240	public String getCRSString() {
241	return crs.toString();
242	}
243
244	/**
245	* Returns an icon, which represents the geo object.
246	*/
247	public ImageIcon getImageIcon() {
248	return null;
249	}
250
251	/**
252	* Sets an icon, which represents the geo object.
253	* @param icon an icon
254	*/
255	public void setImageIcon(ImageIcon icon) {
256	this.icon = icon;
257	}
258
259	/**
260	* Returns the display style for the geo object.
261	*/
262	public Style getStyle() {
263	return style;
264	}
265
266	/**
267	* Sets the display style for the geo object.
268	* If {@code style} is {@code null} an default style is set, so
269	* {@link #getStyle()} never returns {@code null}.
270	* @see #createDefaultStyle()
271	*/
272	public void setStyle(Style style) {
273	this.style = (style != null) ? style : createDefaultStyle();
274	}
275
276	/**
277	* Creates a default style for the geo object. This style is used whenever
278	* the style is set to {@code null}.
279	* @see #setStyle(Style)
280	*/
281	protected abstract Style createDefaultStyle();
282	}