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package org.jbehave.core.embedder; |
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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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import org.jbehave.core.model.Meta; |
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import org.jbehave.core.model.Meta.Property; |
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import java.util.HashSet; |
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import java.util.Properties; |
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import java.util.Set; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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public class MetaFilter { |
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| 32 | 1 | public static final MetaFilter EMPTY = new MetaFilter(); |
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| 34 | 38 | private final Properties include = new Properties(); |
| 35 | 38 | private final Properties exclude = new Properties(); |
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private final String filterAsString; |
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private final EmbedderMonitor monitor; |
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public MetaFilter() { |
| 40 | 1 | this(""); |
| 41 | 1 | } |
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public MetaFilter(String filterAsString) { |
| 44 | 20 | this(filterAsString, new PrintStreamEmbedderMonitor()); |
| 45 | 20 | } |
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| 47 | 38 | public MetaFilter(String filterAsString, EmbedderMonitor monitor) { |
| 48 | 38 | this.filterAsString = filterAsString == null ? "" : filterAsString; |
| 49 | 38 | this.monitor = monitor; |
| 50 | 38 | parse(include, "+"); |
| 51 | 38 | parse(exclude, "-"); |
| 52 | 38 | } |
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private void parse(Properties properties, String prefix) { |
| 55 | 76 | properties.clear(); |
| 56 | 76 | for (String found : found(prefix)) { |
| 57 | 24 | Property property = new Property(StringUtils.removeStartIgnoreCase(found, prefix)); |
| 58 | 24 | properties.setProperty(property.getName(), property.getValue()); |
| 59 | 24 | } |
| 60 | 76 | } |
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private Set<String> found(String prefix) { |
| 63 | 76 | Matcher matcher = findAllPrefixed(prefix).matcher(filterAsString); |
| 64 | 76 | Set<String> found = new HashSet<String>(); |
| 65 | 100 | while (matcher.find()) { |
| 66 | 24 | found.add(matcher.group().trim()); |
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} |
| 68 | 76 | return found; |
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} |
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private Pattern findAllPrefixed(String prefix) { |
| 72 | 76 | return Pattern.compile("(\\" + prefix + "(\\w|\\s|\\*)*)", Pattern.DOTALL); |
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} |
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public boolean allow(Meta meta) { |
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boolean allowed; |
| 77 | 48 | if (!include.isEmpty() && exclude.isEmpty()) { |
| 78 | 5 | allowed = match(include, meta); |
| 79 | 43 | } else if (include.isEmpty() && !exclude.isEmpty()) { |
| 80 | 3 | allowed = !match(exclude, meta); |
| 81 | 40 | } else if (!include.isEmpty() && !exclude.isEmpty()) { |
| 82 | 6 | allowed = match(merge(include, exclude), meta) && !match(exclude, meta); |
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} else { |
| 84 | 34 | allowed = true; |
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} |
| 86 | 48 | if (!allowed) { |
| 87 | 7 | monitor.metaNotAllowed(meta, this); |
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} |
| 89 | 48 | return allowed; |
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} |
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private Properties merge(Properties include, Properties exclude) { |
| 93 | 6 | Set<Object> in = new HashSet<Object>(include.keySet()); |
| 94 | 6 | in.addAll(exclude.keySet()); |
| 95 | 6 | Properties merged = new Properties(); |
| 96 | 6 | for (Object key : in) { |
| 97 | 8 | if (include.containsKey(key)) { |
| 98 | 6 | merged.put(key, include.get(key)); |
| 99 | 2 | } else if (exclude.containsKey(key)) { |
| 100 | 2 | merged.put(key, exclude.get(key)); |
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} |
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} |
| 103 | 6 | return merged; |
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} |
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private boolean match(Properties properties, Meta meta) { |
| 107 | 18 | for (Object key : properties.keySet()) { |
| 108 | 19 | String property = (String) properties.get(key); |
| 109 | 19 | for (String metaName : meta.getPropertyNames()) { |
| 110 | 19 | if (key.equals(metaName)) { |
| 111 | 16 | String value = meta.getProperty(metaName); |
| 112 | 16 | if (StringUtils.isBlank(value)) { |
| 113 | 4 | return true; |
| 114 | 12 | } else if (property.contains("*")) { |
| 115 | 1 | return value.matches(property.replace("*", ".*")); |
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} |
| 117 | 11 | return properties.get(key).equals(value); |
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} |
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} |
| 120 | 3 | } |
| 121 | 2 | return false; |
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} |
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public Properties include() { |
| 125 | 1 | return include; |
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} |
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public Properties exclude() { |
| 129 | 1 | return exclude; |
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} |
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public String asString() { |
| 133 | 8 | return filterAsString; |
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} |
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@Override |
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public String toString() { |
| 138 | 0 | return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); |
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} |
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} |