skrueger/geotools/AttributeMetadataMap.java

package skrueger.geotools;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

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

import skrueger.AbstractAttributeMetadata;
import skrueger.AttributeMetadata;
import skrueger.QualityQuantizable;
import skrueger.i8n.Translation;

/**
 * The {@link AttributeMetadataMap} is a {@link Map} holding {@link AMD_IMPL}
 * object for {@link Name} keys. It's an extension of a {@link TreeMap}. It's
 * copyable in the sense of the {@link Copyable} interface.<br>
 * The {@link #get(Name)} and {@link #get(String)} methods will never return
 * <code>null</code>, but rather create a default {@link AMD_IMPL} on-the-fly.
 */
public abstract class AttributeMetadataMap<AMD_IMPL extends AttributeMetadata>
                extends TreeMap<Name, AMD_IMPL> implements
                Copyable<AttributeMetadataMap>, QualityQuantizable {

        private static final long serialVersionUID = 4936966916517396063L;

        protected static final Logger LOGGER = Logger
                        .getLogger(AttributeMetadataMap.class);

        /**
         * A list of default languages used when creating default {@link AMD_IMPL}
         * on-the-fly. If not initialized by a constructor, it will be
         * {@link Translation#getActiveLang()} only.
         **/
        protected final List<String> langs;

        /**
         * AttributeMetadataMap is based on {@link Translation} and would like to
         * know how many languages are supported, so the needed defaults can be
         * created.<br/>
         * If you use this constructor, it will be initialized to only use one
         * language, which is {@link Translation.getActiveLang()}.
         */
        public AttributeMetadataMap() {
                langs = new ArrayList<String>();
                langs.add(Translation.getActiveLang());
        }

        /**
         * Creates an {@link AttributeMetadataMap} and sets the list of default
         * languages.
         */
        public AttributeMetadataMap(final List<String> defLanguages) {
                langs = defLanguages;
        }

        /**
         * Creates an {@link AttributeMetadataMap} and sets the list of default
         * languages.
         */
        public AttributeMetadataMap(final String[] langs) {
                this.langs = new ArrayList<String>(java.util.Arrays.asList(langs));
        }

        /**
         * Copies all its values to another {@link AttributeMetadataMap}. @see
         * {@link Copyable} interface.
         */
        @Override
        public AttributeMetadataMap<? extends AttributeMetadata> copyTo(AttributeMetadataMap amdMap) {

                amdMap.clear();

                for (final Name key : keySet()) {
                        final AMD_IMPL AMD_IMPL = get(key);
                        amdMap.put(key, AMD_IMPL.copy());
                }
                return amdMap;
        }

        /**
         * Returns the {@link AMD_IMPL} for a given {@link Name}. May return
         * <code>null</code> or create a default {@link AttributeMetadata} depending
         * on whether this method is overwritten. fly.
         */
        public AMD_IMPL get(final Name name) {
                return super.get(name);
        }

        /**
         * @Deprecated use get(Name name) or get(String localName)
         */
        @Override
        @Deprecated
        public AMD_IMPL get(final Object key) {
                LOGGER.error("PLEASE DONT USE get(Object) any MORE!");
                return super.get(key);
        }

        /**
         * Returns the {@link AMD_IMPL} for a given {@link Name}. Never returns
         * <code>null</code>, but rather creates a default {@link AMD_IMPL} on the
         * fly.
         */
        public AMD_IMPL get(final String localName) {
                if (localName == null)
                        return null;
                return this.get(new NameImpl(localName));
        }

        public List<String> getLanguages() {
                return langs;
        }

        /**
         * @return a number between 0. (bad) and 1. (good) that is calculated from
         *         the amount of translation available in the visible attributes
         */
        @Override
        public double getQuality(final List<String> languages) {
                int allVisible = 0;
                double colQmSum = 0.;
                for (final AMD_IMPL oneCol : values()) {

                        if (oneCol.isVisible() && oneCol instanceof QualityQuantizable) {
                                allVisible++;
                                colQmSum += ((QualityQuantizable) oneCol).getQuality(languages);
                        }
                }

                if (allVisible > 0)
                        return colQmSum / allVisible;
                else
                        return 1.;

        }

        /**
         * @return List of {@link AMD_IMPL} objects ordered by their weight.
         *         (heavier => further down)
         */
        public List<AMD_IMPL> sortedValues() {
                final ArrayList<AMD_IMPL> list = new ArrayList<AMD_IMPL>();
                list.addAll(values());
                Collections.sort(list);
                return list;
        }

        /**
         * @return List of only the visible {@link AMD_IMPL} objects ordered by
         *         their weight. (heavier => further down)
         */
        public List<AMD_IMPL> sortedValuesVisibleOnly() {
                final ArrayList<AMD_IMPL> list = new ArrayList<AMD_IMPL>();
                for (final AMD_IMPL atm : sortedValues()) {
                        if (atm.isVisible())
                                list.add(atm);
                }
                return list;
        }
}
1	alfonx	420	package skrueger.geotools;
2
3	alfonx	464	import java.util.ArrayList;
4	alfonx	533	import java.util.Collections;
5	alfonx	464	import java.util.List;
6	alfonx	534	import java.util.Map;
7	alfonx	420	import java.util.TreeMap;
8
9	alfonx	518	import org.apache.log4j.Logger;
10	alfonx	464	import org.geotools.feature.NameImpl;
11			import org.opengis.feature.type.Name;
12	alfonx	420
13	alfonx	769	import skrueger.AbstractAttributeMetadata;
14	alfonx	464	import skrueger.AttributeMetadata;
15	alfonx	769	import skrueger.QualityQuantizable;
16	alfonx	533	import skrueger.i8n.Translation;
17	alfonx	464
18	alfonx	420	/**
19	alfonx	769	* The {@link AttributeMetadataMap} is a {@link Map} holding {@link AMD_IMPL}
20			* object for {@link Name} keys. It's an extension of a {@link TreeMap}. It's
21			* copyable in the sense of the {@link Copyable} interface.<br>
22	alfonx	534	* The {@link #get(Name)} and {@link #get(String)} methods will never return
23	alfonx	769	* <code>null</code>, but rather create a default {@link AMD_IMPL} on-the-fly.
24	alfonx	420	*/
25	alfonx	769	public abstract class AttributeMetadataMap<AMD_IMPL extends AttributeMetadata>
26			extends TreeMap<Name, AMD_IMPL> implements
27			Copyable<AttributeMetadataMap>, QualityQuantizable {
28
29			private static final long serialVersionUID = 4936966916517396063L;
30
31			protected static final Logger LOGGER = Logger
32	alfonx	534	.getLogger(AttributeMetadataMap.class);
33
34			/**
35	alfonx	769	* A list of default languages used when creating default {@link AMD_IMPL}
36			* on-the-fly. If not initialized by a constructor, it will be
37			* {@link Translation#getActiveLang()} only.
38	alfonx	534	**/
39	alfonx	769	protected final List<String> langs;
40	alfonx	534
41	alfonx	658	/**
42	alfonx	769	* AttributeMetadataMap is based on {@link Translation} and would like to
43			* know how many languages are supported, so the needed defaults can be
44			* created.<br/>
45			* If you use this constructor, it will be initialized to only use one
46			* language, which is {@link Translation.getActiveLang()}.
47	alfonx	658	*/
48	alfonx	533	public AttributeMetadataMap() {
49			langs = new ArrayList<String>();
50			langs.add(Translation.getActiveLang());
51			}
52	alfonx	534
53			/**
54			* Creates an {@link AttributeMetadataMap} and sets the list of default
55			* languages.
56			*/
57			public AttributeMetadataMap(final List<String> defLanguages) {
58			langs = defLanguages;
59			}
60
61			/**
62			* Creates an {@link AttributeMetadataMap} and sets the list of default
63			* languages.
64			*/
65	alfonx	769	public AttributeMetadataMap(final String[] langs) {
66			this.langs = new ArrayList<String>(java.util.Arrays.asList(langs));
67	alfonx	533	}
68
69	alfonx	464	/**
70	alfonx	534	* Copies all its values to another {@link AttributeMetadataMap}. @see
71			* {@link Copyable} interface.
72			*/
73	alfonx	420	@Override
74	alfonx	769	public AttributeMetadataMap<? extends AttributeMetadata> copyTo(AttributeMetadataMap amdMap) {
75	alfonx	534
76	alfonx	420	amdMap.clear();
77	alfonx	534
78			for (final Name key : keySet()) {
79	alfonx	769	final AMD_IMPL AMD_IMPL = get(key);
80			amdMap.put(key, AMD_IMPL.copy());
81	alfonx	420	}
82			return amdMap;
83			}
84
85	alfonx	534	/**
86	alfonx	769	* Returns the {@link AMD_IMPL} for a given {@link Name}. May return
87			* <code>null</code> or create a default {@link AttributeMetadata} depending
88			* on whether this method is overwritten. fly.
89	alfonx	534	*/
90	alfonx	769	public AMD_IMPL get(final Name name) {
91			return super.get(name);
92	alfonx	534	}
93
94			/**
95			* @Deprecated use get(Name name) or get(String localName)
96			*/
97	alfonx	420	@Override
98	alfonx	534	@Deprecated
99	alfonx	769	public AMD_IMPL get(final Object key) {
100			LOGGER.error("PLEASE DONT USE get(Object) any MORE!");
101	alfonx	534	return super.get(key);
102	alfonx	420	}
103	alfonx	464
104	alfonx	534	/**
105	alfonx	769	* Returns the {@link AMD_IMPL} for a given {@link Name}. Never returns
106			* <code>null</code>, but rather creates a default {@link AMD_IMPL} on the
107			* fly.
108	alfonx	534	*/
109	alfonx	769	public AMD_IMPL get(final String localName) {
110			if (localName == null)
111			return null;
112	alfonx	534	return this.get(new NameImpl(localName));
113	alfonx	464	}
114	alfonx	518
115	alfonx	534	public List<String> getLanguages() {
116			return langs;
117			}
118
119	alfonx	518	/**
120	alfonx	534	* @return a number between 0. (bad) and 1. (good) that is calculated from
121			* the amount of translation available in the visible attributes
122	alfonx	518	*/
123	alfonx	769	@Override
124	alfonx	534	public double getQuality(final List<String> languages) {
125	alfonx	518	int allVisible = 0;
126			double colQmSum = 0.;
127	alfonx	769	for (final AMD_IMPL oneCol : values()) {
128	alfonx	534
129	alfonx	769	if (oneCol.isVisible() && oneCol instanceof QualityQuantizable) {
130	alfonx	518	allVisible++;
131	alfonx	769	colQmSum += ((QualityQuantizable) oneCol).getQuality(languages);
132	alfonx	518	}
133			}
134
135			if (allVisible > 0)
136			return colQmSum / allVisible;
137			else
138			return 1.;
139
140			}
141	alfonx	533
142	alfonx	534	/**
143	alfonx	769	* @return List of {@link AMD_IMPL} objects ordered by their weight.
144			* (heavier => further down)
145	alfonx	534	*/
146	alfonx	769	public List<AMD_IMPL> sortedValues() {
147			final ArrayList<AMD_IMPL> list = new ArrayList<AMD_IMPL>();
148	alfonx	534	list.addAll(values());
149			Collections.sort(list);
150			return list;
151	alfonx	533	}
152	alfonx	534
153			/**
154	alfonx	769	* @return List of only the visible {@link AMD_IMPL} objects ordered by
155			* their weight. (heavier => further down)
156	alfonx	534	*/
157	alfonx	769	public List<AMD_IMPL> sortedValuesVisibleOnly() {
158			final ArrayList<AMD_IMPL> list = new ArrayList<AMD_IMPL>();
159			for (final AMD_IMPL atm : sortedValues()) {
160	alfonx	534	if (atm.isVisible())
161			list.add(atm);
162			}
163			return list;
164			}
165	alfonx	420	}
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