Coverage Report

Coverage Report - com.jcabi.github.Smarts

Classes in this File

Line Coverage

Branch Coverage

Complexity

Smarts

40%

11/27

1/14

2.625

Smarts$1

60%

3/5

N/A

2.625

 /**
  * Copyright (c) 2013-2017, jcabi.com
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met: 1) Redistributions of source code must retain the above
  * copyright notice, this list of conditions and the following
  * disclaimer. 2) Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following
  * disclaimer in the documentation and/or other materials provided
  * with the distribution. 3) Neither the name of the jcabi.com nor
  * the names of its contributors may be used to endorse or promote
  * products derived from this software without specific prior written
  * permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package com.jcabi.github;
 
 import com.jcabi.log.Logger;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.util.Iterator;
 import lombok.EqualsAndHashCode;
 
 /**
  * Smart items.
  *
  * <p>This class should be used as a decorator for an iterable of objects, for
  * example:
  *
  * <pre> Iterable&lt;Issue.Smart&gt; issues = new Smarts&lt;Issue.Smart&gt;(
  *   repo.issues().iterate(
  *     new HashMap&lt;String, String&gt;()
  *   )
  * );
  * for (Issue.Smart issue : issues) {
  *     System.out.println("state is: " + issue.state());
  * }</pre>
  *
  * @author Yegor Bugayenko (yegor@tpc2.com)
  * @version $Id: a50af2181799e48a80ae16f94709868925f2e2d2 $
  * @since 0.5
  * @param <T> Type of iterable objects
  */
 @EqualsAndHashCode(of = "origin")
 public final class Smarts<T> implements Iterable<T> {
 
     /**
      * Original iterable.
      */
     private final transient Iterable<?> origin;
 
     /**
      * Public ctor.
      * @param items Items original
      */
     public Smarts(
         final Iterable<?> items
     ) {
         this.origin = items;
     }
 
     @Override
     public String toString() {
         return this.origin.toString();
     }
 
     @Override
     public Iterator<T> iterator() {
         final Iterator<?> iterator = this.origin.iterator();
         return new Iterator<T>() {
             @Override
             public boolean hasNext() {
                 return iterator.hasNext();
             }
             @Override
             public T next() {
                 return Smarts.<T>wrap(iterator.next());
             }
             @Override
             public void remove() {
                 iterator.remove();
             }
         };
     }
 
     /**
      * Wrap an object, and make a "smart" decorator.
      * @param object Object to wrap
      * @return Decorator
      * @param <X> Type of result
      */
     @SuppressWarnings("unchecked")
     private static <X> X wrap(final Object object) {
         try {
             return (X) Smarts.type(object).newInstance(object);
         } catch (final InvocationTargetException ex) {
             throw new IllegalStateException(ex);
         } catch (final InstantiationException ex) {
             throw new IllegalStateException(ex);
         } catch (final IllegalAccessException ex) {
             throw new IllegalStateException(ex);
         }
     }
 
     /**
      * Find "smart" class for the object.
      * @param object Object to wrap
      * @return Class to use
      */
     private static Constructor<?> type(final Object object) {
         for (final Class<?> iface : object.getClass().getInterfaces()) {
             try {
                 return Class.forName(
                     String.format("%s$Smart", iface.getName())
                 ).getDeclaredConstructor(iface);
             } catch (final ClassNotFoundException ex) {
                 Logger.debug(Smarts.class, "%s: %s", iface.getName(), ex);
             } catch (final NoSuchMethodException ex) {
                 throw new IllegalStateException(ex);
             }
         }
         throw new IllegalStateException(
             String.format(
                 "can't find Smart decorator for %s",
                 object.getClass().getName()
             )
         );
     }
 
 }

1		/**
2		* Copyright (c) 2013-2017, jcabi.com
3		* All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met: 1) Redistributions of source code must retain the above
8		* copyright notice, this list of conditions and the following
9		* disclaimer. 2) Redistributions in binary form must reproduce the above
10		* copyright notice, this list of conditions and the following
11		* disclaimer in the documentation and/or other materials provided
12		* with the distribution. 3) Neither the name of the jcabi.com nor
13		* the names of its contributors may be used to endorse or promote
14		* products derived from this software without specific prior written
15		* permission.
16		*
17		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19		* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20		* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21		* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22		* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24		* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28		* OF THE POSSIBILITY OF SUCH DAMAGE.
29		*/
30		package com.jcabi.github;
31
32		import com.jcabi.log.Logger;
33		import java.lang.reflect.Constructor;
34		import java.lang.reflect.InvocationTargetException;
35		import java.util.Iterator;
36		import lombok.EqualsAndHashCode;
37
38		/**
39		* Smart items.
40		*
41		* <p>This class should be used as a decorator for an iterable of objects, for
42		* example:
43		*
44		* <pre> Iterable<Issue.Smart> issues = new Smarts<Issue.Smart>(
45		* repo.issues().iterate(
46		* new HashMap<String, String>()
47		* )
48		* );
49		* for (Issue.Smart issue : issues) {
50		* System.out.println("state is: " + issue.state());
51		* }</pre>
52		*
53		* @author Yegor Bugayenko (yegor@tpc2.com)
54		* @version $Id: a50af2181799e48a80ae16f94709868925f2e2d2 $
55		* @since 0.5
56		* @param <T> Type of iterable objects
57		*/
58	0	@EqualsAndHashCode(of = "origin")
59	3	public final class Smarts<T> implements Iterable<T> {
60
61		/**
62		* Original iterable.
63		*/
64		private final transient Iterable<?> origin;
65
66		/**
67		* Public ctor.
68		* @param items Items original
69		*/
70		public Smarts(
71		final Iterable<?> items
72	3	) {
73	3	this.origin = items;
74	3	}
75
76		@Override
77		public String toString() {
78	0	return this.origin.toString();
79		}
80
81		@Override
82		public Iterator<T> iterator() {
83	3	final Iterator<?> iterator = this.origin.iterator();
84	3	return new Iterator<T>() {
85		@Override
86		public boolean hasNext() {
87	2	return iterator.hasNext();
88		}
89		@Override
90		public T next() {
91	3	return Smarts.<T>wrap(iterator.next());
92		}
93		@Override
94		public void remove() {
95	0	iterator.remove();
96	0	}
97		};
98		}
99
100		/**
101		* Wrap an object, and make a "smart" decorator.
102		* @param object Object to wrap
103		* @return Decorator
104		* @param <X> Type of result
105		*/
106		@SuppressWarnings("unchecked")
107		private static <X> X wrap(final Object object) {
108		try {
109	3	return (X) Smarts.type(object).newInstance(object);
110	0	} catch (final InvocationTargetException ex) {
111	0	throw new IllegalStateException(ex);
112	0	} catch (final InstantiationException ex) {
113	0	throw new IllegalStateException(ex);
114	0	} catch (final IllegalAccessException ex) {
115	0	throw new IllegalStateException(ex);
116		}
117		}
118
119		/**
120		* Find "smart" class for the object.
121		* @param object Object to wrap
122		* @return Class to use
123		*/
124		private static Constructor<?> type(final Object object) {
125	3	for (final Class<?> iface : object.getClass().getInterfaces()) {
126		try {
127	9	return Class.forName(
128	3	String.format("%s$Smart", iface.getName())
129	3	).getDeclaredConstructor(iface);
130	0	} catch (final ClassNotFoundException ex) {
131	0	Logger.debug(Smarts.class, "%s: %s", iface.getName(), ex);
132	0	} catch (final NoSuchMethodException ex) {
133	0	throw new IllegalStateException(ex);
134	0	}
135		}
136	0	throw new IllegalStateException(
137	0	String.format(
138		"can't find Smart decorator for %s",
139	0	object.getClass().getName()
140		)
141		);
142		}
143
144		}