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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.lang3.StringUtils;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
53
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58
59
60 public class RepositoryMappingFilter extends AbstractMgnlFilter {
61 private static final Logger log = LoggerFactory.getLogger(RepositoryMappingFilter.class);
62
63 private URI2RepositoryManager uri2RepositoryManager;
64
65 @Inject
66 public RepositoryMappingFilter(URI2RepositoryManager uri2RepositoryManager) {
67 this.uri2RepositoryManager = uri2RepositoryManager;
68 }
69
70 @Override
71 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
72 String uri = MgnlContext.getAggregationState().getCurrentURI();
73 int firstSelectorDelimiterPos = StringUtils.indexOf(uri, Path.SELECTOR_DELIMITER, StringUtils.lastIndexOf(uri, '/'));
74 String path;
75
76 String selector;
77 if (firstSelectorDelimiterPos > -1) {
78 int lastSelectorDelimiterPos = StringUtils.lastIndexOf(uri, Path.SELECTOR_DELIMITER);
79 path = StringUtils.substring(uri, 0, firstSelectorDelimiterPos);
80 selector = StringUtils.substring(uri, firstSelectorDelimiterPos + 1, lastSelectorDelimiterPos);
81 }
82 else {
83
84 path = uri;
85 selector = "";
86 }
87
88 URI2RepositoryMapping mapping = uri2RepositoryManager.getMapping(uri);
89
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91 path = mapping.getHandle(path);
92
93 final AggregationState aggregationState = MgnlContext.getAggregationState();
94 aggregationState.setRepository(mapping.getRepository());
95 aggregationState.setHandle(path);
96
97
98 aggregationState.setSelector(selector);
99
100 chain.doFilter(request, response);
101 }
102 }