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package org.jbehave.core.model; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Properties; |
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import java.util.Set; |
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import java.util.TreeSet; |
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import org.apache.commons.lang.StringUtils; |
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import org.apache.commons.lang.builder.ToStringBuilder; |
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import org.apache.commons.lang.builder.ToStringStyle; |
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|
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public class Meta { |
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|
15 | 1 | public static final Meta EMPTY = new Meta(); |
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public static final String BLANK = ""; |
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private final Properties properties; |
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public Meta() { |
22 | 3 | this(new Properties()); |
23 | 3 | } |
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|
25 | 1230 | public Meta(Properties properties) { |
26 | 1230 | this.properties = properties; |
27 | 1230 | } |
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29 | 30 | public Meta(List<String> properties) { |
30 | 30 | this.properties = new Properties(); |
31 | 30 | parse(properties); |
32 | 30 | } |
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private void parse(List<String> propertiesAsString) { |
35 | 30 | for (String propertyAsString : new HashSet<String>(propertiesAsString)) { |
36 | 35 | Property property = new Property(propertyAsString); |
37 | 35 | this.properties.setProperty(property.getName(), property.getValue()); |
38 | 35 | } |
39 | 30 | } |
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public Set<String> getPropertyNames() { |
42 | 321 | Set<String> names = new TreeSet<String>(); |
43 | 321 | for (Object key : properties.keySet()) { |
44 | 537 | names.add((String) key); |
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} |
46 | 321 | return names; |
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} |
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public boolean hasProperty(String name) { |
50 | 1452 | return properties.containsKey(name); |
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} |
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public String getProperty(String name) { |
54 | 1558 | String value = properties.getProperty(name); |
55 | 1558 | if (value == null) { |
56 | 3 | return BLANK; |
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} |
58 | 1555 | return value; |
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} |
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public Meta inheritFrom(Meta meta) { |
62 | 122 | return inherit(this, meta); |
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} |
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private Meta inherit(Meta child, Meta parent) { |
66 | 122 | Set<String> names = new HashSet<String>(child.getPropertyNames()); |
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68 | 122 | names.addAll(parent.getPropertyNames()); |
69 | 122 | Properties inherited = new Properties(); |
70 | 122 | for (String name : names) { |
71 | 424 | if (child.hasProperty(name)) { |
72 | 90 | inherited.put(name, child.getProperty(name)); |
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} else { |
74 | 334 | inherited.put(name, parent.getProperty(name)); |
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} |
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} |
77 | 122 | return new Meta(inherited); |
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} |
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|
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public boolean isEmpty() { |
81 | 36 | return properties.isEmpty(); |
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} |
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|
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@Override |
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public String toString() { |
86 | 1044 | return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); |
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} |
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public static class Property { |
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private static final String SPACE = " "; |
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private String propertyAsString; |
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private String name; |
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private String value; |
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97 | 66 | public Property(String propertyAsString) { |
98 | 66 | this.propertyAsString = propertyAsString.trim(); |
99 | 66 | parse(); |
100 | 66 | } |
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private void parse() { |
103 | 66 | name = StringUtils.substringBefore(propertyAsString, SPACE).trim(); |
104 | 66 | value = StringUtils.substringAfter(propertyAsString, SPACE).trim(); |
105 | 66 | } |
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public String getName() { |
108 | 66 | return name; |
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} |
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public String getValue() { |
112 | 66 | return value; |
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} |
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} |
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} |