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package org.apache.shiro.guice.web; |
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import com.google.common.base.Function; |
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import com.google.common.collect.Iterators; |
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import com.google.inject.Injector; |
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import com.google.inject.Key; |
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import org.apache.shiro.util.PatternMatcher; |
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import org.apache.shiro.web.filter.mgt.FilterChainResolver; |
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import org.apache.shiro.web.util.WebUtils; |
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import javax.servlet.Filter; |
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import javax.servlet.FilterChain; |
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import javax.servlet.ServletRequest; |
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import javax.servlet.ServletResponse; |
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import java.util.Map; |
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35 | 2 | class SimpleFilterChainResolver implements FilterChainResolver { |
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private final Map<String, Key<? extends Filter>[]> chains; |
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private final Injector injector; |
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private final PatternMatcher patternMatcher; |
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40 | 13 | SimpleFilterChainResolver(Map<String, Key<? extends Filter>[]> chains, Injector injector, PatternMatcher patternMatcher) { |
41 | 13 | this.chains = chains; |
42 | 13 | this.injector = injector; |
43 | 13 | this.patternMatcher = patternMatcher; |
44 | 13 | } |
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public FilterChain getChain(ServletRequest request, ServletResponse response, final FilterChain originalChain) { |
47 | 4 | String path = WebUtils.getPathWithinApplication(WebUtils.toHttp(request)); |
48 | 4 | for (final String pathPattern : chains.keySet()) { |
49 | 8 | if (patternMatcher.matches(pathPattern, path)) { |
50 | 3 | return new SimpleFilterChain(originalChain, Iterators.transform(Iterators.forArray(chains.get(pathPattern)), |
51 | 5 | new Function<Key<? extends Filter>, Filter>() { |
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public Filter apply(Key<? extends Filter> input) { |
53 | 2 | return injector.getInstance(input); |
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} |
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})); |
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} |
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} |
58 | 1 | return null; |
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} |
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} |