Example usage for org.eclipse.jdt.core.search SearchPattern R_PREFIX_MATCH

List of usage examples for org.eclipse.jdt.core.search SearchPattern R_PREFIX_MATCH

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.search SearchPattern R_PREFIX_MATCH.

Prototype

int R_PREFIX_MATCH

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Document

Match rule: The search pattern is a prefix of the search result.

Usage

From source file:at.bestsolution.efxclipse.tooling.fxml.editors.FXMLCompletionProposalComputer.java

License:Open Source License

private void createSubtypeProposals(final ContentAssistRequest contentAssistRequest,
        final CompletionProposalInvocationContext context, IType superType) {
    IJavaProject jproject = findProject(contentAssistRequest);

    try {//from www .  j ava2s .co  m
        IJavaSearchScope hierarchyScope = SearchEngine.createHierarchyScope(superType);
        IJavaSearchScope projectScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { jproject });
        IJavaSearchScope scope = new IntersectingJavaSearchScope(projectScope, hierarchyScope);
        SearchEngine searchEngine = new SearchEngine();

        char[] typeName = null;
        char[] packageName = null;
        if (!contentAssistRequest.getMatchString().isEmpty()) {
            typeName = contentAssistRequest.getMatchString().toCharArray();
        }

        searchEngine.searchAllTypeNames(packageName, SearchPattern.R_PATTERN_MATCH, typeName,
                SearchPattern.R_PREFIX_MATCH | SearchPattern.R_CAMELCASE_MATCH, IJavaSearchConstants.CLASS,
                scope, new TypeNameRequestor() {
                    @Override
                    public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
                            char[][] enclosingTypeNames, String path) {
                        String sPackageName = new String(packageName);
                        int priority = PRIORITY_LOWER_1;
                        if (sPackageName.startsWith("com.sun.javafx")) {
                            priority -= 10;
                        }
                        StyledString s = new StyledString(new String(simpleTypeName));
                        s.append(" - " + sPackageName, StyledString.QUALIFIER_STYLER);
                        FXMLCompletionProposal prop = createElementProposal(contentAssistRequest, context,
                                sPackageName + "." + new String(simpleTypeName) + " ", s, false, priority,
                                IconKeys.getIcon(IconKeys.CLASS_KEY), FQN_MATCHER);

                        if (prop != null) {
                            prop.setMatcher(FQN_MATCHER);
                            prop.setTextApplier(new IReplacementTextApplier() {

                                @Override
                                public void apply(IDocument document, ConfigurableCompletionProposal proposal)
                                        throws BadLocationException {
                                    String proposalReplacementString = proposal.getReplacementString();
                                    List<String> s = getImportedTypes(contentAssistRequest);
                                    String shortened = proposalReplacementString
                                            .substring(proposalReplacementString.lastIndexOf('.') + 1);

                                    if (s.contains(proposalReplacementString.trim())) {
                                        proposal.setCursorPosition(shortened.length());
                                        document.replace(proposal.getReplacementOffset(),
                                                proposal.getReplacementLength(), shortened);
                                    } else {
                                        DocumentRewriteSession rewriteSession = null;
                                        try {
                                            if (document instanceof IDocumentExtension4) {
                                                rewriteSession = ((IDocumentExtension4) document)
                                                        .startRewriteSession(
                                                                DocumentRewriteSessionType.UNRESTRICTED_SMALL);
                                            }

                                        } finally {
                                            if (rewriteSession != null) {
                                                ((IDocumentExtension4) document)
                                                        .stopRewriteSession(rewriteSession);
                                            }
                                            // if (viewerExtension != null)
                                            // viewerExtension.setRedraw(true);
                                        }

                                        boolean startWithLineBreak = true;
                                        boolean endWithLineBreak = false;
                                        Document xmlDoc = contentAssistRequest.getNode().getOwnerDocument();
                                        NodeList list = xmlDoc.getChildNodes();
                                        int offset = 0;
                                        List<Node> prs = new ArrayList<Node>();
                                        for (int i = 0; i < list.getLength(); i++) {
                                            Node n = list.item(i);
                                            if (n.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
                                                prs.add(n);
                                            }
                                        }

                                        if (!prs.isEmpty()) {
                                            offset = ((IDOMNode) prs.get(prs.size() - 1)).getEndOffset();
                                        }

                                        offset = Math.min(proposal.getReplacementOffset(), offset);
                                        proposal.setCursorPosition(shortened.length());
                                        document.replace(proposal.getReplacementOffset(),
                                                proposal.getReplacementLength(), shortened);

                                        String importStatement = (startWithLineBreak ? "\n<?import "
                                                : "import ") + proposalReplacementString.trim();
                                        importStatement += "?>";

                                        if (endWithLineBreak)
                                            importStatement += "\n\n";
                                        document.replace(offset, 0, importStatement.toString());
                                        proposal.setCursorPosition(
                                                proposal.getCursorPosition() + importStatement.length());
                                    }
                                }
                            });
                            contentAssistRequest.addProposal(prop);
                        }
                    }
                }, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, new NullProgressMonitor());
    } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:at.bestsolution.efxclipse.tooling.fxml.editors.FXMLCompletionProposalComputer.java

License:Open Source License

@Override
protected void addAttributeValueProposals(final ContentAssistRequest contentAssistRequest,
        final CompletionProposalInvocationContext context) {
    IDOMNode n = (IDOMNode) contentAssistRequest.getNode();

    if (Character.isUpperCase(n.getNodeName().charAt(0))) {
        NamedNodeMap m = n.getAttributes();
        IDOMNode attribute = null;/*from   w  w w  . j a  v a2s.  c  o  m*/
        for (int i = 0; i < m.getLength(); i++) {
            IDOMNode a = (IDOMNode) m.item(i);
            if (a.contains(contentAssistRequest.getStartOffset())) {
                attribute = a;
            }
        }

        if (attribute != null) {
            if ("http://javafx.com/fxml".equals(attribute.getNamespaceURI())) {
                if ("constant".equals(attribute.getLocalName())) {
                    IType type = findType(n.getNodeName(), contentAssistRequest, context);
                    if (type != null) {
                        try {
                            List<IField> fields = new ArrayList<IField>();
                            collectStaticFields(fields, type);

                            for (IField f : fields) {
                                StyledString s = new StyledString(f.getElementName() + " : "
                                        + Signature.getSimpleName(Signature.toString(f.getTypeSignature())));
                                String owner = ((IType) f.getAncestor(IJavaElement.TYPE)).getElementName();
                                s.append(" - " + Signature.getSimpleName(owner), StyledString.QUALIFIER_STYLER);

                                FXMLCompletionProposal cp = createProposal(contentAssistRequest, context,
                                        "\"" + f.getElementName(), s, IconKeys.getIcon(IconKeys.CLASS_KEY),
                                        CLASS_ATTRIBUTE_MATCHER);

                                if (cp != null) {
                                    contentAssistRequest.addProposal(cp);
                                }
                            }

                        } catch (JavaModelException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                } else if ("controller".equals(attribute.getLocalName())) {
                    IJavaProject jproject = findProject(contentAssistRequest);

                    char[] typeName = null;
                    char[] packageName = null;
                    if (!contentAssistRequest.getMatchString().isEmpty()) {
                        if (contentAssistRequest.getMatchString().startsWith("\"")) {
                            typeName = contentAssistRequest.getMatchString().substring(1).toCharArray();
                        } else {
                            typeName = contentAssistRequest.getMatchString().toCharArray();
                        }
                    }

                    IJavaSearchScope searchScope = SearchEngine
                            .createJavaSearchScope(new IJavaElement[] { jproject });
                    SearchEngine searchEngine = new SearchEngine();
                    try {
                        searchEngine.searchAllTypeNames(packageName, SearchPattern.R_PATTERN_MATCH, typeName,
                                SearchPattern.R_PREFIX_MATCH | SearchPattern.R_CAMELCASE_MATCH,
                                IJavaSearchConstants.TYPE, searchScope, new TypeNameRequestor() {
                                    public void acceptType(int modifiers, char[] packageName,
                                            char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
                                        String sPackageName = new String(packageName);
                                        int priority = PRIORITY_LOWER_1;
                                        if (sPackageName.startsWith("com.sun")) {
                                            priority -= 10;
                                        }
                                        StyledString s = new StyledString(new String(simpleTypeName));
                                        s.append(" - " + sPackageName, StyledString.QUALIFIER_STYLER);

                                        FXMLCompletionProposal cp = createProposal(contentAssistRequest,
                                                context, "\"" + sPackageName + "." + new String(simpleTypeName),
                                                s, IconKeys.getIcon(IconKeys.CLASS_KEY),
                                                CLASS_ATTRIBUTE_MATCHER);

                                        if (cp != null) {
                                            contentAssistRequest.addProposal(cp);
                                        }
                                    }
                                }, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, new NullProgressMonitor());
                    } catch (JavaModelException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }

                }
            } else if (attribute.getNodeName().contains(".")) {
                String[] parts = attribute.getNodeName().split("\\.");

                IType type = findType(parts[0], contentAssistRequest, context);
                if (type != null) {
                    IFXClass fxClass = FXPlugin.getClassmodel().findClass(type.getJavaProject(), type);
                    if (fxClass != null) {
                        IFXProperty p = fxClass.getStaticProperty(parts[1]);
                        if (p instanceof IFXPrimitiveProperty) {
                            createAttributeValuePrimitiveProposals(contentAssistRequest, context,
                                    (IFXPrimitiveProperty) p);
                        } else if (p instanceof IFXEnumProperty) {
                            createAttributeValueEnumProposals(contentAssistRequest, context,
                                    (IFXEnumProperty) p);
                        } else if (p instanceof IFXObjectProperty) {
                            createAttributeValueObjectProposals(contentAssistRequest, context,
                                    (IFXObjectProperty) p);
                        }
                    }
                }
            } else {
                IType type = findType(n.getNodeName(), contentAssistRequest, context);
                if (type != null) {
                    IFXClass fxClass = FXPlugin.getClassmodel().findClass(type.getJavaProject(), type);
                    if (fxClass != null) {
                        IFXProperty p = fxClass.getProperty(attribute.getNodeName());
                        if (p instanceof IFXPrimitiveProperty) {
                            createAttributeValuePrimitiveProposals(contentAssistRequest, context,
                                    (IFXPrimitiveProperty) p);
                        } else if (p instanceof IFXEnumProperty) {
                            createAttributeValueEnumProposals(contentAssistRequest, context,
                                    (IFXEnumProperty) p);
                        } else if (p instanceof IFXObjectProperty) {
                            createAttributeValueObjectProposals(contentAssistRequest, context,
                                    (IFXObjectProperty) p);
                        } else if (p instanceof IFXEventHandlerProperty) {
                            createAttributeValueEventHandlerProposals(contentAssistRequest, context,
                                    (IFXEventHandlerProperty) p);
                        }
                    }
                }
            }
        }
    }
}

From source file:bndtools.editor.components.ComponentNameProposalProvider.java

License:Open Source License

@Override
protected List<IContentProposal> doGenerateProposals(String contents, int position) {
    final String prefix = contents.substring(0, position);
    IJavaProject javaProject = searchContext.getJavaProject();
    final List<IContentProposal> result = new ArrayList<IContentProposal>(100);

    // Resource matches
    IProject project = javaProject.getProject();
    try {/*from   w  ww. jav  a 2  s.  c  o  m*/
        project.accept(new IResourceProxyVisitor() {
            public boolean visit(IResourceProxy proxy) throws CoreException {
                if (proxy.getType() == IResource.FILE) {
                    if (proxy.getName().toLowerCase().startsWith(prefix)
                            && proxy.getName().toLowerCase().endsWith(XML_SUFFIX)) {
                        result.add(new ResourceProposal(proxy.requestResource()));
                    }
                    return false;
                }
                // Recurse into everything else
                return true;
            }
        }, 0);
    } catch (CoreException e) {
        Plugin.log(new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Error searching for resources.", e));
    }

    // Class matches
    final IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] { javaProject });
    final TypeNameRequestor requestor = new TypeNameRequestor() {
        @Override
        public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
                char[][] enclosingTypeNames, String path) {
            if (!Flags.isAbstract(modifiers) && (Flags.isPublic(modifiers) || Flags.isProtected(modifiers))) {
                result.add(new JavaContentProposal(new String(packageName), new String(simpleTypeName), false));
            }
        };
    };
    final IRunnableWithProgress runnable = new IRunnableWithProgress() {
        public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
            try {
                new SearchEngine().searchAllTypeNames(null, 0, prefix.toCharArray(),
                        SearchPattern.R_PREFIX_MATCH, IJavaSearchConstants.CLASS, scope, requestor,
                        IJavaSearchConstants.CANCEL_IF_NOT_READY_TO_SEARCH, monitor);
            } catch (JavaModelException e) {
                throw new InvocationTargetException(e);
            }
        }
    };
    IRunnableContext runContext = searchContext.getRunContext();
    try {
        if (runContext != null) {
            runContext.run(false, false, runnable);
        } else {
            runnable.run(new NullProgressMonitor());
        }
    } catch (InvocationTargetException e) {
        Plugin.log(new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Error searching for classes.",
                e.getTargetException()));
    } catch (InterruptedException e) {
        // Reset the interruption status and continue
        Thread.currentThread().interrupt();
    }
    return result;
}

From source file:bndtools.editor.components.SvcInterfaceProposalProvider.java

License:Open Source License

@Override
protected List<IContentProposal> doGenerateProposals(String contents, int position) {
    final String prefix = contents.substring(0, position);
    final IJavaSearchScope scope = SearchEngine
            .createJavaSearchScope(new IJavaElement[] { searchContext.getJavaProject() });
    final ArrayList<IContentProposal> result = new ArrayList<IContentProposal>(100);
    final TypeNameRequestor typeNameRequestor = new TypeNameRequestor() {
        @Override/*ww  w.ja va  2 s .  c  o m*/
        public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
                char[][] enclosingTypeNames, String path) {
            boolean isInterface = Flags.isInterface(modifiers);
            result.add(
                    new JavaContentProposal(new String(packageName), new String(simpleTypeName), isInterface));
        }
    };
    IRunnableWithProgress runnable = new IRunnableWithProgress() {
        public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
            try {
                new SearchEngine().searchAllTypeNames(null, 0, prefix.toCharArray(),
                        SearchPattern.R_PREFIX_MATCH, IJavaSearchConstants.CLASS_AND_INTERFACE, scope,
                        typeNameRequestor, IJavaSearchConstants.CANCEL_IF_NOT_READY_TO_SEARCH, monitor);
            } catch (JavaModelException e) {
                throw new InvocationTargetException(e);
            }
        }
    };

    try {
        if (searchContext.getRunContext() == null) {
            runnable.run(new NullProgressMonitor());
        } else {
            searchContext.getRunContext().run(false, false, runnable);
        }
    } catch (InvocationTargetException e) {
        Plugin.log(new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Error searching for Java types.",
                e.getTargetException()));
        return Collections.emptyList();
    } catch (InterruptedException e) {
        // Reset interrupted status and return empty
        Thread.currentThread().interrupt();
        return Collections.emptyList();
    }
    return result;
}

From source file:ccw.editors.clojure.ClojureProposalProcessor.java

License:Open Source License

private List<ICompletionProposal> computeAndAddJavaInstanceMethodCompletionProposal(
        final PrefixInfo prefixInfo) {
    final List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();

    if (!checkJavaPrefixLength(prefixInfo)) {
        return Collections.emptyList();
    }//from w  w w .  j  a  v a  2s. co  m

    final String methodPrefix = prefixInfo.prefix.substring(1);
    System.out.println("method prefix:" + methodPrefix);
    boolean isPattern = (methodPrefix.contains("*") || methodPrefix.contains("?"));
    boolean autoAddEndWildcard = isPattern && !methodPrefix.endsWith("*");
    SearchPattern pattern = SearchPattern.createPattern(autoAddEndWildcard ? methodPrefix + "*" : methodPrefix,
            IJavaSearchConstants.METHOD, // | IJavaSearchConstants.FIELD,
            //         IJavaSearchConstants.TYPE,
            IJavaSearchConstants.DECLARATIONS,
            isPattern ? SearchPattern.R_PATTERN_MATCH : SearchPattern.R_PREFIX_MATCH);
    if (pattern != null) {
        IJavaProject editedFileProject = editor.getAssociatedProject();
        if (editedFileProject != null) {
            IJavaSearchScope scope = SearchEngine
                    .createJavaSearchScope(new IJavaElement[] { editedFileProject });
            SearchRequestor requestor = new SearchRequestor() {
                private int counter;

                @Override
                public void beginReporting() {
                    super.beginReporting();
                    System.out.println("begin reporting");
                    counter = 0;
                }

                @Override
                public void acceptSearchMatch(SearchMatch match) throws CoreException {
                    counter++;
                    if (counter >= MAX_JAVA_SEARCH_RESULT_NUMBER) {
                        System.out.println("too much results (>" + MAX_JAVA_SEARCH_RESULT_NUMBER
                                + "), throwing exception");
                        throw new CoreException(Status.OK_STATUS);
                    }
                    proposals.add(new MethodLazyCompletionProposal((IMethod) match.getElement(), methodPrefix,
                            prefixInfo.prefixOffset + 1, null, editor));
                }

                @Override
                public void endReporting() {
                    super.endReporting();
                    System.out.println("end reporting : count=" + counter);
                }

            };
            SearchEngine searchEngine = new SearchEngine();
            try {
                searchEngine.search(pattern,
                        new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, scope,
                        requestor, null /* no progress monitor */);
                assistant.setStatusMessage(MESSAGE_JAVA_COMPLETION);
            } catch (CoreException e) {
                if (e.getStatus() != Status.OK_STATUS) {
                    CCWPlugin.logWarning("java code proposal search error in clojure dev", e);
                } else {
                    errorMessage = ERROR_MESSAGE_TOO_MANY_COMPLETIONS;
                    assistant.setStatusMessage(ERROR_MESSAGE_TOO_MANY_COMPLETIONS);
                }
            }
        }
    }
    return proposals;
}

From source file:com.siteview.mde.internal.ui.editor.contentassist.TypePackageCompletionProcessor.java

License:Open Source License

protected void generateTypeProposals(String currentContent, IProject project, final Collection c,
        final int startOffset, final int length, int typeScope) {
    // Dynamically adjust the search scope depending on the current
    // state of the project
    IJavaSearchScope scope = PDEJavaHelper.getSearchScope(project);
    char[] packageName = null;
    char[] typeName = null;
    int index = currentContent.lastIndexOf('.');

    if (index == -1) {
        // There is no package qualification
        // Perform the search only on the type name
        typeName = currentContent.toCharArray();
    } else if ((index + 1) == currentContent.length()) {
        // There is a package qualification and the last character is a
        // dot/* w  w  w.j a v  a 2 s  . co  m*/
        // Perform the search for all types under the given package
        // Pattern for all types
        typeName = "".toCharArray(); //$NON-NLS-1$
        // Package name without the trailing dot
        packageName = currentContent.substring(0, index).toCharArray();
    } else {
        // There is a package qualification, followed by a dot, and 
        // a type fragment
        // Type name without the package qualification
        typeName = currentContent.substring(index + 1).toCharArray();
        // Package name without the trailing dot
        packageName = currentContent.substring(0, index).toCharArray();
    }

    try {
        TypeNameRequestor req = new TypeNameRequestor() {
            public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
                    char[][] enclosingTypeNames, String path) {
                // Accept search results from the JDT SearchEngine
                String cName = new String(simpleTypeName);
                String pName = new String(packageName);
                String label = cName + " - " + pName; //$NON-NLS-1$
                String content = pName + "." + cName; //$NON-NLS-1$
                Image image = (Flags.isInterface(modifiers))
                        ? MDEPluginImages.get(MDEPluginImages.OBJ_DESC_GENERATE_INTERFACE)
                        : MDEPluginImages.get(MDEPluginImages.OBJ_DESC_GENERATE_CLASS);
                addProposalToCollection(c, startOffset, length, label, content, image);
            }
        };
        // Note:  Do not use the search() method, its performance is
        // bad compared to the searchAllTypeNames() method
        fSearchEngine.searchAllTypeNames(packageName, SearchPattern.R_EXACT_MATCH, typeName,
                SearchPattern.R_PREFIX_MATCH, typeScope, scope, req,
                IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
    } catch (CoreException e) {
        fErrorMessage = e.getMessage();
    }
}

From source file:net.harawata.mybatipse.mybatis.ProposalComputorHelper.java

License:Open Source License

public static void searchJavaType(String matchString, IJavaSearchScope scope, TypeNameRequestor requestor)
        throws JavaModelException {
    char[] searchPkg = null;
    char[] searchType = null;
    if (matchString != null && matchString.length() > 0) {
        char[] match = matchString.toCharArray();
        int lastDotPos = matchString.lastIndexOf('.');
        if (lastDotPos == -1) {
            searchType = match;/*from w w  w  .  j ava2s. co m*/
        } else {
            if (lastDotPos + 1 < match.length) {
                searchType = CharOperation.lastSegment(match, '.');
            }
            searchPkg = Arrays.copyOfRange(match, 0, lastDotPos);
        }
    }
    SearchEngine searchEngine = new SearchEngine();
    searchEngine.searchAllTypeNames(searchPkg, SearchPattern.R_PREFIX_MATCH, searchType,
            SearchPattern.R_CAMELCASE_MATCH, IJavaSearchConstants.CLASS, scope, requestor,
            IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
}

From source file:net.harawata.mybatipse.mybatis.XmlCompletionProposalComputer.java

License:Open Source License

private void searchPackage(String matchString, IJavaSearchScope scope, SearchRequestor requestor)
        throws CoreException {
    SearchPattern pattern = SearchPattern.createPattern(matchString + "*", IJavaSearchConstants.PACKAGE,
            IJavaSearchConstants.DECLARATIONS, SearchPattern.R_PREFIX_MATCH);
    SearchEngine searchEngine = new SearchEngine();
    searchEngine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, scope,
            requestor, null);//from   w  ww.ja v a 2 s .  c om
}

From source file:net.harawata.mybatipse.mybatis.XmlCompletionProposalComputer.java

License:Open Source License

private void searchJavaType(String matchString, IJavaSearchScope scope, TypeNameRequestor requestor)
        throws JavaModelException {
    char[] searchPkg = null;
    char[] searchType = null;
    if (matchString != null && matchString.length() > 0) {
        char[] match = matchString.toCharArray();
        int lastDotPos = matchString.lastIndexOf('.');
        if (lastDotPos == -1) {
            searchType = match;/*from w ww. j  a  v  a  2 s  . co m*/
        } else {
            if (lastDotPos + 1 < match.length) {
                searchType = CharOperation.lastSegment(match, '.');
            }
            searchPkg = Arrays.copyOfRange(match, 0, lastDotPos);
        }
    }
    SearchEngine searchEngine = new SearchEngine();
    searchEngine.searchAllTypeNames(searchPkg, SearchPattern.R_PREFIX_MATCH, searchType,
            SearchPattern.R_CAMELCASE_MATCH, IJavaSearchConstants.CLASS, scope, requestor,
            IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
}

From source file:org.eclipse.bpmn2.modeler.core.utils.JavaProjectClassLoader.java

License:Open Source License

public void findClasses(String classNamePattern, final List<IType> results) {
    SearchEngine searchEngine = new SearchEngine();
    IJavaSearchScope scope = SearchEngine
            .createJavaSearchScope((IJavaElement[]) new IJavaProject[] { javaProject });
    char[] packageName = null;
    char[] typeName = null;
    int index = classNamePattern.lastIndexOf('.');
    int packageMatch = SearchPattern.R_EXACT_MATCH;
    int typeMatch = SearchPattern.R_PREFIX_MATCH;

    if (index == -1) {
        // There is no package qualification
        // Perform the search only on the type name
        typeName = classNamePattern.toCharArray();
    } else if ((index + 1) == classNamePattern.length()) {
        // There is a package qualification and the last character is a
        // dot/*w w w .  j a  v  a 2s  .co m*/
        // Perform the search for all types under the given package
        // Pattern for all types
        typeName = "".toCharArray(); //$NON-NLS-1$
        // Package name without the trailing dot
        packageName = classNamePattern.substring(0, index).toCharArray();
    } else {
        // There is a package qualification, followed by a dot, and 
        // a type fragment
        // Type name without the package qualification
        typeName = classNamePattern.substring(index + 1).toCharArray();
        // Package name without the trailing dot
        packageName = classNamePattern.substring(0, index).toCharArray();
    }

    try {
        TypeNameMatchRequestor req = new TypeNameMatchRequestor() {
            public void acceptTypeNameMatch(TypeNameMatch match) {
                results.add(match.getType());
            }
        };
        // Note:  Do not use the search() method, its performance is
        // bad compared to the searchAllTypeNames() method
        searchEngine.searchAllTypeNames(packageName, packageMatch, typeName, typeMatch,
                IJavaSearchConstants.CLASS_AND_INTERFACE, scope, req,
                IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
    } catch (CoreException e) {
    }
}