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34 package info.magnolia.cms.filters;
35
36 import info.magnolia.cms.beans.config.URI2RepositoryManager;
37 import info.magnolia.cms.beans.config.URI2RepositoryMapping;
38 import info.magnolia.cms.core.AggregationState;
39 import info.magnolia.cms.core.Path;
40 import info.magnolia.context.MgnlContext;
41
42 import java.io.IOException;
43
44 import javax.inject.Inject;
45 import javax.servlet.FilterChain;
46 import javax.servlet.ServletException;
47 import javax.servlet.http.HttpServletRequest;
48 import javax.servlet.http.HttpServletResponse;
49
50 import org.apache.commons.lang.StringUtils;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
53
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60
61 public class RepositoryMappingFilter extends AbstractMgnlFilter {
62 private static final Logger log = LoggerFactory.getLogger(RepositoryMappingFilter.class);
63
64 private URI2RepositoryManager uri2RepositoryManager;
65
66 @Inject
67 public RepositoryMappingFilter(URI2RepositoryManager uri2RepositoryManager) {
68 this.uri2RepositoryManager = uri2RepositoryManager;
69 }
70
71 @Override
72 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
73 String uri = MgnlContext.getAggregationState().getCurrentURI();
74 int firstSelectorDelimiterPos = StringUtils.indexOf(uri, Path.SELECTOR_DELIMITER, StringUtils.lastIndexOf(uri, '/'));
75 String path;
76
77 String selector;
78 if (firstSelectorDelimiterPos > -1) {
79 int lastSelectorDelimiterPos = StringUtils.lastIndexOf(uri, Path.SELECTOR_DELIMITER);
80 selector = StringUtils.substring(uri, firstSelectorDelimiterPos + 1, lastSelectorDelimiterPos);
81 String substring = Path.SELECTOR_DELIMITER + selector + Path.SELECTOR_DELIMITER;
82 if (StringUtils.lastIndexOf(uri, Path.SELECTOR_DELIMITER + "cache") == lastSelectorDelimiterPos) {
83 substring += "cache";
84 }
85 path = uri.replace(substring, "");
86 }
87 else {
88
89 path = uri;
90 selector = "";
91 }
92
93 URI2RepositoryMapping mapping = uri2RepositoryManager.getMapping(uri);
94
95
96 path = mapping.getHandle(path);
97
98 final AggregationState aggregationState = MgnlContext.getAggregationState();
99 aggregationState.setRepository(mapping.getRepository());
100 aggregationState.setHandle(path);
101
102
103 aggregationState.setSelector(selector);
104
105 chain.doFilter(request, response);
106 }
107 }