skrueger/geotools/AbstractStyledLayer.java

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 StyledMapInterface}.
 * {@link StyledMapInterface#dispose()} and {@link StyledMapInterface#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 AbstractStyledMap<E> implements StyledMapInterface<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 map.
   * @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 AbstractStyledMap(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 map.
   * @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 AbstractStyledMap(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 StyledMapInterface styled map 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	mojays	2	package skrueger.geotools;
2
3			import javax.swing.ImageIcon;
4
5			import org.apache.log4j.Logger;
6			import org.geotools.styling.Style;
7			import org.opengis.referencing.crs.CoordinateReferenceSystem;
8
9			import schmitzm.lang.LangUtil;
10			import skrueger.i8n.Translation;
11
12			import com.vividsolutions.jts.geom.Envelope;
13
14			/**
15			* This class is a default implementation of {@link StyledMapInterface}.
16			* {@link StyledMapInterface#dispose()} and {@link StyledMapInterface#uncache()}
17			* must be implemented by the sub class. This class only implements the "hold"
18			* of an geo object of type {@code <E>}.
19			* @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)
20			* @version 1.0
21			*/
22			public abstract class AbstractStyledMap<E> implements StyledMapInterface<E> {
23			/** Logger for warning- and error messages. */
24			protected Logger LOGGER = LangUtil.createLogger(this);
25
26			/** Holds the unique ID of the geo object. */
27			protected String id = null;
28			/** Holds a short (language-specific) description of the geo object. */
29			protected Translation title = null;
30			/** Holds a long (language-specific) description of the geo object. */
31			protected Translation desc = null;
32			/** Holds the (language-specific) keywords to describe the geo object. */
33			protected Translation keywords = null;
34			/** Holds an icon to represent the geo object */
35			protected ImageIcon icon = null;
36			/** Holds the geo object represeneted by the map */
37			protected E geoObject = null;
38			/** Holds the CRS of the geo object */
39			protected CoordinateReferenceSystem crs = null;
40			/** Holds the bounds of the geo object */
41			protected Envelope envelope = null;
42			/** Holds the display style for the geo object */
43			protected Style style = null;
44
45			/**
46			* Creates a language specific styled map.
47			* @param geoObject the geo object
48			* @param envelope the bounds of the geo object
49			* @param crs the CRS of the geo object
50			* @param id a unique ID for the geo object
51			* @param title a (language-specific) short description
52			* @param desc a (language-specific) long description
53			* @param keywords (language-specific) keywords for the geo objects
54			* @param style a display style
55			* @param icon an icon for the object
56			* @exception IllegalArgumentException if {@code null} is given as ID or
57			* geo object
58			*/
59			public AbstractStyledMap(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, Translation title, Translation desc, Translation keywords, Style style, ImageIcon icon) {
60			if ( id == null )
61			throw new IllegalArgumentException("ID is not allowed to be null!");
62			if ( geoObject == null )
63			throw new IllegalArgumentException("The GeoObject is not allowed to be null!");
64			this.id = id;
65			this.geoObject = geoObject;
66			this.crs = crs;
67			this.envelope = envelope;
68			setTitle( title );
69			setDesc( desc );
70			setKeywords( keywords );
71			setStyle( style );
72			setImageIcon( icon );
73			}
74
75			/**
76			* Creates a non-translated styled map.
77			* @param geoObject the geo object
78			* @param envelope the bounds of the geo object
79			* @param crs the CRS of the geo object
80			* @param id a unique ID for the geo object
81			* @param title a short description
82			* @param desc a long description
83			* @param keywords keywords for the geo objects
84			* @param style a display style
85			* @param icon an icon for the object
86			* @exception IllegalArgumentException if {@code null} is given as ID
87			*/
88			public AbstractStyledMap(E geoObject, Envelope envelope, CoordinateReferenceSystem crs, String id, String title, String desc, String keywords, Style style, ImageIcon icon ) {
89			this(geoObject, envelope, crs, id, (Translation)null, null, null, style, icon);
90			setTitle( title );
91			setDesc( desc );
92			setKeywords( keywords );
93			}
94
95			/**
96			* Returns a ID for the geo object. The ID should be unique in a map ob
97			* {@linkplain StyledMapInterface styled map objects}
98			*/
99			public String getId() {
100			return id;
101			}
102
103			/**
104			* Returns a short (language-specific) description of the geo object.
105			*/
106			public Translation getTitle() {
107			return title;
108			}
109
110			/**
111			* Sets a short (language-specific) description of the geo object.
112			* If {@code title} is {@code null} an untranslated default title is set, so
113			* {@link #getTitle()} never returns {@code null}.
114			* @param title new description for the geo object
115			*/
116			public void setTitle(Translation title) {
117			this.title = (title != null) ? title : new Translation("untitled");
118			}
119
120			/**
121			* Sets a short (non-translated) description of the geo object.
122			* If {@code title} is {@code null} an untranslated default title is set, so
123			* {@link #getTitle()} never returns {@code null}.
124			* @param title new description for the geo object
125			*/
126			public void setTitle(String title) {
127			setTitle( title != null ? new Translation(title): (Translation)null );
128			}
129
130			/**
131			* Returns a long (language-specific) description of the object.
132			*/
133			public Translation getDesc() {
134			return desc;
135			}
136
137			/**
138			* Sets a long (language-specific) description of the object.
139			* If {@code desc} is {@code null} an (untranslated) empty description is set, so
140			* {@link #getDesc()} never returns {@code null}.
141			* @param desc new description for the geo object
142			*/
143			public void setDesc(Translation desc) {
144			this.desc = (desc != null) ? desc : new Translation("");
145			}
146
147			/**
148			* Sets a long (non-translated) description of the object.
149			* If {@code desc} is {@code null} an (untranslated) empty description is set, so
150			* {@link #getDesc()} never returns {@code null}.
151			* @param desc new description for the geo object
152			*/
153			public void setDesc(String desc) {
154			setDesc( desc != null ? new Translation(desc) : (Translation)null);
155			}
156
157			/**
158			* Returns a (language-specific) key word sequence for the geo object.
159			*/
160			public Translation getKeywords() {
161			return keywords;
162			}
163
164			/**
165			* Sets a (language-specific) key word sequence for the geo object.
166			* If {@code keywords} is {@code null} an (untranslated) empty string is set, so
167			* {@link #getKeywords()} never returns {@code null}.
168			* @param keywords Keywords
169			*/
170			public void setKeywords(Translation keywords) {
171			this.keywords = (keywords != null) ? keywords : new Translation("");
172			}
173
174			/**
175			* Sets a (non-translated) key word sequence for the geo object.
176			* If {@code keywords} is {@code null} an (untranslated) empty string is set, so
177			* {@link #getKeywords()} never returns {@code null}.
178			* @param keywords Keywords
179			*/
180			public void setKeywords(String keywords) {
181			setKeywords( keywords != null ? new Translation(keywords) : (Translation)null);
182			}
183
184			/**
185			* Returns the geo object representet in the map. Sub classes must override
186			* this method to implement "late loading" on first call.
187			* @return {@link #geoObject}
188			*/
189			public E getGeoObject() {
190			return geoObject;
191			}
192
193			/**
194			* Returns the bounds of the geo object.
195			*/
196			public Envelope getEnvelope() {
197			return envelope;
198			}
199
200			/**
201			* Returns the {@link CoordinateReferenceSystem} of the geo object.
202			*/
203			public CoordinateReferenceSystem getCrs() {
204			return crs;
205			}
206
207			/**
208			* Returns {@link #crs CoordinateReferenceSystem.toString()}. This method
209			* can be overriden to create a "nicer" description.
210			*/
211			public String getCRSString() {
212			return crs.toString();
213			}
214
215			/**
216			* Returns an icon, which represents the geo object.
217			*/
218			public ImageIcon getImageIcon() {
219			return null;
220			}
221
222			/**
223			* Sets an icon, which represents the geo object.
224			* @param icon an icon
225			*/
226			public void setImageIcon(ImageIcon icon) {
227			this.icon = icon;
228			}
229
230			/**
231			* Returns the display style for the geo object.
232			*/
233			public Style getStyle() {
234			return style;
235			}
236
237			/**
238			* Sets the display style for the geo object.
239			* If {@code style} is {@code null} an default style is set, so
240			* {@link #getStyle()} never returns {@code null}.
241			* @see #createDefaultStyle()
242			*/
243			public void setStyle(Style style) {
244			this.style = (style != null) ? style : createDefaultStyle();
245			}
246
247			/**
248			* Creates a default style for the geo object. This style is used whenever
249			* the style is set to {@code null}.
250			* @see #setStyle(Style)
251			*/
252			protected abstract Style createDefaultStyle();
253			}