| 1 | |
package org.jbehave.core.embedder; |
| 2 | |
|
| 3 | |
import groovy.lang.GroovyClassLoader; |
| 4 | |
|
| 5 | |
import java.lang.reflect.Field; |
| 6 | |
import java.lang.reflect.InvocationTargetException; |
| 7 | |
import java.lang.reflect.Method; |
| 8 | |
import java.util.HashSet; |
| 9 | |
import java.util.Properties; |
| 10 | |
import java.util.Set; |
| 11 | |
import java.util.regex.Matcher; |
| 12 | |
import java.util.regex.Pattern; |
| 13 | |
|
| 14 | |
import org.apache.commons.lang.StringUtils; |
| 15 | |
import org.apache.commons.lang.builder.ToStringBuilder; |
| 16 | |
import org.apache.commons.lang.builder.ToStringStyle; |
| 17 | |
import org.jbehave.core.model.Meta; |
| 18 | |
import org.jbehave.core.model.Meta.Property; |
| 19 | |
|
| 20 | |
|
| 21 | |
|
| 22 | |
|
| 23 | |
|
| 24 | |
|
| 25 | |
|
| 26 | |
|
| 27 | |
|
| 28 | |
|
| 29 | |
|
| 30 | |
|
| 31 | |
|
| 32 | |
|
| 33 | |
|
| 34 | |
|
| 35 | |
|
| 36 | |
|
| 37 | |
|
| 38 | |
|
| 39 | |
|
| 40 | |
|
| 41 | |
|
| 42 | |
|
| 43 | |
|
| 44 | |
|
| 45 | |
|
| 46 | |
|
| 47 | |
|
| 48 | |
|
| 49 | |
|
| 50 | 74 | public class MetaFilter { |
| 51 | |
|
| 52 | 1 | public static final MetaFilter EMPTY = new MetaFilter(); |
| 53 | |
|
| 54 | |
private final String filterAsString; |
| 55 | |
private final EmbedderMonitor monitor; |
| 56 | |
|
| 57 | |
private MetaMatcher metaMatcher; |
| 58 | |
|
| 59 | |
public MetaFilter() { |
| 60 | 1 | this(""); |
| 61 | 1 | } |
| 62 | |
|
| 63 | |
public MetaFilter(String filterAsString) { |
| 64 | 9 | this(filterAsString, new PrintStreamEmbedderMonitor()); |
| 65 | 9 | } |
| 66 | |
|
| 67 | 43 | public MetaFilter(String filterAsString, EmbedderMonitor monitor) { |
| 68 | 43 | this.filterAsString = filterAsString == null ? "" : filterAsString; |
| 69 | 43 | this.monitor = monitor; |
| 70 | 43 | this.metaMatcher = createMetaMatcher(this.filterAsString); |
| 71 | 43 | this.metaMatcher.parse(filterAsString); |
| 72 | 43 | } |
| 73 | |
|
| 74 | |
|
| 75 | |
|
| 76 | |
|
| 77 | |
|
| 78 | |
|
| 79 | |
|
| 80 | |
protected MetaMatcher createMetaMatcher(String filterAsString) { |
| 81 | 43 | if (filterAsString.startsWith("groovy: ")) { |
| 82 | 6 | return new GroovyMetaMatcher(); |
| 83 | |
} |
| 84 | 37 | return new DefaultMetaMatcher(); |
| 85 | |
} |
| 86 | |
|
| 87 | |
public boolean allow(Meta meta) { |
| 88 | 1108 | boolean allowed = this.metaMatcher.match(meta); |
| 89 | 1108 | if (!allowed) { |
| 90 | 1024 | monitor.metaNotAllowed(meta, this); |
| 91 | |
} |
| 92 | 1108 | return allowed; |
| 93 | |
} |
| 94 | |
|
| 95 | |
public MetaMatcher metaMatcher() { |
| 96 | 1 | return metaMatcher; |
| 97 | |
} |
| 98 | |
|
| 99 | |
public String asString() { |
| 100 | 1029 | return filterAsString; |
| 101 | |
} |
| 102 | |
|
| 103 | |
@Override |
| 104 | |
public String toString() { |
| 105 | 0 | return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); |
| 106 | |
} |
| 107 | |
|
| 108 | |
public interface MetaMatcher { |
| 109 | |
|
| 110 | |
void parse(String filterAsString); |
| 111 | |
|
| 112 | |
boolean match(Meta meta); |
| 113 | |
|
| 114 | |
} |
| 115 | |
|
| 116 | 37 | public class DefaultMetaMatcher implements MetaMatcher { |
| 117 | |
|
| 118 | 37 | private final Properties include = new Properties(); |
| 119 | 37 | private final Properties exclude = new Properties(); |
| 120 | |
|
| 121 | |
public Properties include() { |
| 122 | 1 | return include; |
| 123 | |
} |
| 124 | |
|
| 125 | |
public Properties exclude() { |
| 126 | 1 | return exclude; |
| 127 | |
} |
| 128 | |
|
| 129 | |
public void parse(String filterAsString) { |
| 130 | 37 | parse(include, "+"); |
| 131 | 37 | parse(exclude, "-"); |
| 132 | 37 | } |
| 133 | |
|
| 134 | |
public boolean match(Meta meta) { |
| 135 | |
boolean matched; |
| 136 | 92 | if (!include.isEmpty() && exclude.isEmpty()) { |
| 137 | 5 | matched = match(include, meta); |
| 138 | 87 | } else if (include.isEmpty() && !exclude.isEmpty()) { |
| 139 | 13 | matched = !match(exclude, meta); |
| 140 | 74 | } else if (!include.isEmpty() && !exclude.isEmpty()) { |
| 141 | 6 | matched = match(merge(include, exclude), meta) && !match(exclude, meta); |
| 142 | |
} else { |
| 143 | 68 | matched = true; |
| 144 | |
} |
| 145 | 92 | return matched; |
| 146 | |
} |
| 147 | |
|
| 148 | |
private void parse(Properties properties, String prefix) { |
| 149 | 74 | properties.clear(); |
| 150 | 74 | for (String found : found(prefix)) { |
| 151 | 31 | Property property = new Property(StringUtils.removeStartIgnoreCase(found, prefix)); |
| 152 | 31 | properties.setProperty(property.getName(), property.getValue()); |
| 153 | 31 | } |
| 154 | 74 | } |
| 155 | |
|
| 156 | |
private Set<String> found(String prefix) { |
| 157 | 74 | Matcher matcher = findAllPrefixed(prefix).matcher(filterAsString); |
| 158 | 74 | Set<String> found = new HashSet<String>(); |
| 159 | 105 | while (matcher.find()) { |
| 160 | 31 | found.add(matcher.group().trim()); |
| 161 | |
} |
| 162 | 74 | return found; |
| 163 | |
} |
| 164 | |
|
| 165 | |
private Pattern findAllPrefixed(String prefix) { |
| 166 | 74 | return Pattern.compile("(\\" + prefix + "(\\w|\\s|\\*)*)", Pattern.DOTALL); |
| 167 | |
} |
| 168 | |
|
| 169 | |
private Properties merge(Properties include, Properties exclude) { |
| 170 | 6 | Set<Object> in = new HashSet<Object>(include.keySet()); |
| 171 | 6 | in.addAll(exclude.keySet()); |
| 172 | 6 | Properties merged = new Properties(); |
| 173 | 6 | for (Object key : in) { |
| 174 | 8 | if (include.containsKey(key)) { |
| 175 | 6 | merged.put(key, include.get(key)); |
| 176 | 2 | } else if (exclude.containsKey(key)) { |
| 177 | 2 | merged.put(key, exclude.get(key)); |
| 178 | |
} |
| 179 | |
} |
| 180 | 6 | return merged; |
| 181 | |
} |
| 182 | |
|
| 183 | |
private boolean match(Properties properties, Meta meta) { |
| 184 | 28 | boolean matches = false; |
| 185 | 28 | for (Object key : properties.keySet()) { |
| 186 | 31 | String property = (String) properties.get(key); |
| 187 | 31 | for (String metaName : meta.getPropertyNames()) { |
| 188 | 62 | if (key.equals(metaName)) { |
| 189 | 25 | String value = meta.getProperty(metaName); |
| 190 | 25 | if (StringUtils.isBlank(value)) { |
| 191 | 6 | matches = true; |
| 192 | 19 | } else if (property.contains("*")) { |
| 193 | 1 | matches = value.matches(property.replace("*", ".*")); |
| 194 | |
} else { |
| 195 | 18 | matches = properties.get(key).equals(value); |
| 196 | |
} |
| 197 | |
} |
| 198 | 62 | if (matches) { |
| 199 | 19 | break; |
| 200 | |
} |
| 201 | |
} |
| 202 | 31 | } |
| 203 | 28 | return matches; |
| 204 | |
} |
| 205 | |
|
| 206 | |
} |
| 207 | |
|
| 208 | 6 | public class GroovyMetaMatcher implements MetaMatcher { |
| 209 | |
|
| 210 | |
private Class<?> groovyClass; |
| 211 | |
private Field metaField; |
| 212 | |
private Method match; |
| 213 | |
|
| 214 | |
public void parse(String filterAsString) { |
| 215 | 6 | String groovyString = "public class GroovyMatcher {\n" + |
| 216 | |
"public org.jbehave.core.model.Meta meta\n" + |
| 217 | |
" public boolean match() {\n" + |
| 218 | |
" return (" + filterAsString.substring("groovy: ".length()) + ")\n" + |
| 219 | |
" }\n" + |
| 220 | |
" def propertyMissing(String name) {\n" + |
| 221 | |
" if (!meta.hasProperty(name)) {\n" + |
| 222 | |
" return false\n" + |
| 223 | |
" }\n" + |
| 224 | |
" def v = meta.getProperty(name)\n" + |
| 225 | |
" if (v.equals('')) {\n" + |
| 226 | |
" return true\n" + |
| 227 | |
" }\n" + |
| 228 | |
" return v\n" + |
| 229 | |
" }\n" + |
| 230 | |
"}"; |
| 231 | |
|
| 232 | 6 | GroovyClassLoader loader = new GroovyClassLoader(getClass().getClassLoader()); |
| 233 | 6 | groovyClass = loader.parseClass(groovyString); |
| 234 | |
try { |
| 235 | 6 | match = groovyClass.getDeclaredMethod("match"); |
| 236 | 6 | metaField = groovyClass.getField("meta"); |
| 237 | 0 | } catch (NoSuchFieldException e) { |
| 238 | |
|
| 239 | 0 | } catch (NoSuchMethodException e) { |
| 240 | |
|
| 241 | 6 | } |
| 242 | 6 | } |
| 243 | |
|
| 244 | |
public boolean match(Meta meta) { |
| 245 | |
try { |
| 246 | 1016 | Object matcher = groovyClass.newInstance(); |
| 247 | 1016 | metaField.set(matcher, meta); |
| 248 | 1016 | return (Boolean) match.invoke(matcher); |
| 249 | 0 | } catch (InstantiationException e) { |
| 250 | 0 | throw new RuntimeException(e); |
| 251 | 0 | } catch (IllegalAccessException e) { |
| 252 | 0 | throw new RuntimeException(e); |
| 253 | 0 | } catch (InvocationTargetException e) { |
| 254 | 0 | throw new RuntimeException(e); |
| 255 | |
} |
| 256 | |
} |
| 257 | |
} |
| 258 | |
|
| 259 | |
} |