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package org.jbehave.core.configuration.scala; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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public class ScalaContext { |
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private final ClassLoader classLoader; |
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private final List<String> classNames; |
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private List<Object> instances; |
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public ScalaContext(String... classNames) { |
14 | 3 | this(ScalaContext.class.getClassLoader(), classNames); |
15 | 2 | } |
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17 | 3 | public ScalaContext(ClassLoader classLoader, String... classNames) { |
18 | 3 | this.classLoader = classLoader; |
19 | 3 | this.classNames = Arrays.asList(classNames); |
20 | 3 | this.instances = createInstances(); |
21 | 2 | } |
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public List<Object> getInstances() { |
24 | 1 | return instances; |
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} |
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@SuppressWarnings("unchecked") |
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public <T> T getInstanceOfType(Class<T> type) { |
29 | 2 | for (Object instance : instances) { |
30 | 1 | if (type.isAssignableFrom(instance.getClass())) { |
31 | 1 | return (T) instance; |
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} |
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} |
34 | 1 | throw new ScalaInstanceNotFound(type); |
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} |
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public Object newInstance(String className) { |
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try { |
45 | 4 | return classLoader.loadClass(className).newInstance(); |
46 | 1 | } catch (Exception e) { |
47 | 1 | throw new ScalaInstanceNotFound(className); |
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} |
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} |
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private List<Object> createInstances() { |
52 | 3 | List<Object> instances = new ArrayList<Object>(); |
53 | 3 | for (String className : classNames) { |
54 | 3 | instances.add(newInstance(className)); |
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} |
56 | 2 | return instances; |
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} |
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@SuppressWarnings("serial") |
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public static final class ScalaInstanceNotFound extends RuntimeException { |
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public ScalaInstanceNotFound(Class<?> type) { |
63 | 1 | super(type.toString()); |
64 | 1 | } |
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public ScalaInstanceNotFound(String className) { |
67 | 1 | super(className); |
68 | 1 | } |
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} |
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} |