Examples of org.eclipse.jdt.core.search.SearchPattern

org.eclipse.jdt.core.search.SearchPattern
A search pattern defines how search results are found. Use SearchPattern.createPattern to create a search pattern.
Search patterns are used during the search phase to decode index entries that were added during the indexing phase (see {@link SearchDocument#addIndexEntry(char[],char[])}). When an index is queried, the index categories and keys to consider are retrieved from the search pattern using {@link #getIndexCategories()} and{@link #getIndexKey()}, as well as the match rule (see {@link #getMatchRule()}). A blank pattern is then created (see {@link #getBlankPattern()}). This blank pattern is used as a record as follows. For each index entry in the given index categories and that starts with the given key, the blank pattern is fed using {@link #decodeIndexKey(char[])}. The original pattern is then asked if it matches the decoded key using {@link #matchesDecodedKey(SearchPattern)}. If it matches, a search document is created for this index entry using {@link SearchParticipant#getDocument(String)}.
This class is intended to be sub-classed by clients. A default behavior is provided for each of the methods above, that clients can override if they wish.
@see #createPattern(org.eclipse.jdt.core.IJavaElement,int) @see #createPattern(String,int,int,int) @since 3.0

                progressMonitor, 5, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL);
            monitor.beginTask("Searching for declaration of " + methodName +
                (project != null ? " in " + project.getProject().getName() : ""), 100);
            IJavaSearchScope searchScope = getSearchScope(project);
            int matchType = !isConstructor ? IJavaSearchConstants.METHOD : IJavaSearchConstants.CONSTRUCTOR;
            SearchPattern pattern = SearchPattern.createPattern(
                methodName, 
          matchType,
          IJavaSearchConstants.DECLARATIONS, 
          SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE );

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            log("Looking for calls to " + methodName);
            
            int matchType = !isConstructor ? IJavaSearchConstants.METHOD : IJavaSearchConstants.CONSTRUCTOR;
            
            SearchPattern pattern = SearchPattern.createPattern(
                methodName, 
          matchType,
          IJavaSearchConstants.REFERENCES,
          SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE);

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                    methodName + (project != null ? " in " + project.getProject().getName() : ""), 100);            
            IJavaSearchScope searchScope = getSearchScope(project);
            // This is kind of hacky: we need to make up a string name for the search to work right
            log("Looking for " + methodName);
            int matchType = !isConstructor ? IJavaSearchConstants.METHOD : IJavaSearchConstants.CONSTRUCTOR;
            SearchPattern pattern = SearchPattern.createPattern(
                    methodName, 
                    matchType,
                    IJavaSearchConstants.DECLARATIONS,
                    SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE );

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    try {
      MethodDeclarationsSearchRequestor requestor = new MethodDeclarationsSearchRequestor();
            SearchEngine searchEngine = new SearchEngine();


            IJavaSearchScope searchScope = CallerFinder.getSearchScope(project);
            SearchPattern pattern = SearchPattern.createPattern(
                methodName, 
          IJavaSearchConstants.METHOD,
          IJavaSearchConstants.DECLARATIONS, 
          SearchPattern.R_PATTERN_MATCH | SearchPattern.R_CASE_SENSITIVE
          );

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  public void addAnnotationToFieldsOfType(String targetClass, Class<? extends java.lang.annotation.Annotation> annotation, Map<String, Object> properties) {
    try {
      IType element = javaProject.findType(targetClass);


      SearchEngine searchEngine = new SearchEngine();
      SearchPattern pattern = SearchPattern.createPattern(element, IJavaSearchConstants.REFERENCES);
      SearchParticipant[] participants = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
      IJavaSearchScope scope = SearchEngine.createWorkspaceScope();


      BasicSearchRequestor requestor = new BasicSearchRequestor();
      searchEngine.search(pattern, participants, scope, requestor, null);

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  }


  private void modifyBlocks(final IMethod fromMethod, BlockModifier blockModifier) {
    try {
      SearchEngine searchEngine = new SearchEngine();
      SearchPattern pattern = SearchPattern.createPattern(fromMethod, IJavaSearchConstants.ALL_OCCURRENCES | IJavaSearchConstants.IGNORE_RETURN_TYPE);
      SearchParticipant[] participants = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
      IJavaSearchScope scope = SearchEngine.createWorkspaceScope();


      BasicSearchRequestor requestor = new BasicSearchRequestor();
      searchEngine.search(pattern, participants, scope, requestor, null);

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    try {
      IType singleton = javaProject.findType("javax.ejb.Singleton");
      
      SearchEngine searchEngine = new SearchEngine();
      SearchPattern pattern = SearchPattern.createPattern(singleton, IJavaSearchConstants.REFERENCES);
      SearchParticipant[] participants = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
      IJavaSearchScope scope = SearchEngine.createWorkspaceScope();


      SingletonBeanSearchRequestor requestor = new SingletonBeanSearchRequestor();
      searchEngine.search(pattern, participants, scope, requestor, null);

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          // The search engine.
          final SearchEngine engine = new SearchEngine();


          // The search pattern corresponding to the entities whose
          // type must be altered.
          SearchPattern pattern = SearchPattern.createPattern(elem,
              IJavaSearchConstants.DECLARATIONS,
              SearchPattern.R_EXACT_MATCH);


          // Search for declarations (must always do this since each
          // element's type must be altered).

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  }


  private void findFormalsForVariable(IMethod correspondingMethod,
      final int paramNumber) throws CoreException {


    final SearchPattern pattern = SearchPattern.createPattern(
        correspondingMethod, IJavaSearchConstants.DECLARATIONS,
        SearchPattern.R_EXACT_MATCH);


    this.findParameters(paramNumber, pattern);
  }

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    // Find invocations of the corresponding method.
    final IMethod meth = (IMethod) svd.resolveBinding()
        .getDeclaringMethod().getJavaElement();


    final SearchPattern pattern = SearchPattern.createPattern(meth,
        IJavaSearchConstants.REFERENCES, SearchPattern.R_EXACT_MATCH);


    this.findParameters(getFormalParameterNumber(svd), pattern);
  }

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