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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 path = StringUtils.substring(uri, 0, firstSelectorDelimiterPos);
81 selector = StringUtils.substring(uri, firstSelectorDelimiterPos + 1, lastSelectorDelimiterPos);
82 }
83 else {
84
85 path = uri;
86 selector = "";
87 }
88
89 URI2RepositoryMapping mapping = uri2RepositoryManager.getMapping(uri);
90
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92 path = mapping.getHandle(path);
93
94 final AggregationState aggregationState = MgnlContext.getAggregationState();
95 aggregationState.setRepository(mapping.getRepository());
96 aggregationState.setHandle(path);
97
98
99 aggregationState.setSelector(selector);
100
101 chain.doFilter(request, response);
102 }
103 }