Example usage for org.eclipse.jdt.core.search SearchEngine SearchEngine

List of usage examples for org.eclipse.jdt.core.search SearchEngine SearchEngine

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Introduction

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

Prototype

public SearchEngine(WorkingCopyOwner workingCopyOwner)

Source Link

Document

Creates a new search engine with the given working copy owner.

Usage

From source file:edu.brown.cs.bubbles.bedrock.BedrockJava.java

License:Open Source License

/********************************************************************************/

void handleFindAll(String proj, String file, int start, int end, boolean defs, boolean refs, boolean impls,
        boolean equiv, boolean exact, boolean system, boolean typeof, boolean ronly, boolean wonly,
        IvyXmlWriter xw) throws BedrockException {
    IJavaProject ijp = getJavaProject(proj);
    IPath fp = new Path(file);

    int limit = 0;
    if (defs && refs)
        limit = IJavaSearchConstants.ALL_OCCURRENCES;
    else if (defs)
        limit = IJavaSearchConstants.DECLARATIONS;
    else if (refs)
        limit = IJavaSearchConstants.REFERENCES;
    int flimit = limit;
    if (ronly)// w ww  .j ava  2 s .co m
        flimit = IJavaSearchConstants.READ_ACCESSES;
    else if (wonly)
        flimit = IJavaSearchConstants.WRITE_ACCESSES;

    int mrule = -1;
    if (equiv)
        mrule = SearchPattern.R_EQUIVALENT_MATCH;
    else if (exact)
        mrule = SearchPattern.R_EXACT_MATCH;

    SearchPattern pat = null;
    IJavaSearchScope scp = null;

    ICompilationUnit icu = our_plugin.getProjectManager().getCompilationUnit(proj, file);
    if (icu == null)
        throw new BedrockException("Compilation unit not found for " + fp);
    icu = getCompilationElement(icu);

    ICompilationUnit[] working = null;
    FindFilter filter = null;

    IJavaElement cls = null;
    char[] packagename = null;
    char[] typename = null;

    try {
        BedrockPlugin.logD("Getting search scopes");
        IJavaElement[] pelt;
        if (ijp != null)
            pelt = new IJavaElement[] { ijp };
        else
            pelt = getAllProjects();
        working = getWorkingElements(pelt);
        int fg = IJavaSearchScope.SOURCES | IJavaSearchScope.REFERENCED_PROJECTS;
        if (system)
            fg |= IJavaSearchScope.SYSTEM_LIBRARIES | IJavaSearchScope.APPLICATION_LIBRARIES;
        scp = SearchEngine.createJavaSearchScope(pelt, fg);

        BedrockPlugin.logD("Locating item to search for");
        IJavaElement[] elts = icu.codeSelect(start, end - start);

        if (typeof) {
            Set<IJavaElement> nelt = new LinkedHashSet<IJavaElement>();
            for (int i = 0; i < elts.length; ++i) {
                IType typ = null;
                String tnm = null;
                switch (elts[i].getElementType()) {
                case IJavaElement.FIELD:
                    tnm = ((IField) elts[i]).getTypeSignature();
                    break;
                case IJavaElement.LOCAL_VARIABLE:
                    tnm = ((ILocalVariable) elts[i]).getTypeSignature();
                    break;
                case IJavaElement.METHOD:
                    typ = ((IMethod) elts[i]).getDeclaringType();
                    break;
                default:
                    nelt.add(elts[i]);
                    break;
                }
                if (typ != null)
                    nelt.add(typ);
                else if (tnm != null && ijp != null) {
                    IJavaElement elt = ijp.findElement(tnm, null);
                    if (elt != null) {
                        nelt.add(elt);
                        typ = null;
                    } else {
                        while (tnm.startsWith("[")) {
                            String xtnm = tnm.substring(1);
                            if (xtnm == null)
                                break;
                            tnm = xtnm;
                        }
                        int ln = tnm.length();
                        String xtnm = tnm;
                        if (tnm.startsWith("L") && tnm.endsWith(";")) {
                            xtnm = tnm.substring(1, ln - 1);
                        } else if (tnm.startsWith("Q") && tnm.endsWith(";")) {
                            xtnm = tnm.substring(1, ln - 1);
                        }
                        if (xtnm != null)
                            tnm = xtnm;
                        int idx1 = tnm.lastIndexOf(".");
                        if (idx1 > 0) {
                            String pkgnm = tnm.substring(0, idx1);
                            xtnm = tnm.substring(idx1 + 1);
                            if (xtnm != null)
                                tnm = xtnm;
                            pkgnm = pkgnm.replace('$', '.');
                            packagename = pkgnm.toCharArray();
                        }
                        tnm = tnm.replace('$', '.');
                        typename = tnm.toCharArray();
                    }

                    if (typename != null) {
                        BedrockPlugin.logD("Handling type names");
                        FindTypeHandler fth = new FindTypeHandler(ijp);
                        SearchEngine se = new SearchEngine(working);
                        se.searchAllTypeNames(packagename, SearchPattern.R_EXACT_MATCH, typename,
                                SearchPattern.R_EXACT_MATCH, IJavaSearchConstants.TYPE, scp, fth,
                                IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
                        nelt.addAll(fth.getFoundItems());
                    }
                }
            }
            IJavaElement[] nelts = new IJavaElement[nelt.size()];
            elts = nelt.toArray(nelts);
        }

        if (elts.length == 1 && !typeof) {
            xw.begin("SEARCHFOR");
            switch (elts[0].getElementType()) {
            case IJavaElement.FIELD:
                xw.field("TYPE", "Field");
                break;
            case IJavaElement.LOCAL_VARIABLE:
                xw.field("TYPE", "Local");
                break;
            case IJavaElement.METHOD:
                xw.field("TYPE", "Function");
                break;
            case IJavaElement.TYPE:
            case IJavaElement.TYPE_PARAMETER:
                xw.field("TYPE", "Class");
                cls = elts[0];
                break;
            }
            xw.text(elts[0].getElementName());
            xw.end("SEARCHFOR");
        }
        int etyp = -1;
        for (int i = 0; i < elts.length; ++i) {
            SearchPattern sp;
            int xlimit = limit;
            switch (elts[i].getElementType()) {
            case IJavaElement.FIELD:
            case IJavaElement.LOCAL_VARIABLE:
                xlimit = flimit;
                break;
            case IJavaElement.TYPE:
                if (impls)
                    xlimit = IJavaSearchConstants.IMPLEMENTORS;
                break;
            case IJavaElement.METHOD:
                if (impls)
                    xlimit |= IJavaSearchConstants.IGNORE_DECLARING_TYPE;
                break;
            }
            if (mrule < 0)
                sp = SearchPattern.createPattern(elts[i], xlimit);
            else
                sp = SearchPattern.createPattern(elts[i], xlimit, mrule);
            if (pat == null)
                pat = sp;
            else
                pat = SearchPattern.createOrPattern(pat, sp);
            if (etyp < 0)
                etyp = elts[i].getElementType();
        }

        if (etyp == IJavaElement.METHOD) {
            if (impls) {
                if (defs)
                    filter = new ImplementFilter(elts);
            } else if (defs && !refs)
                filter = new ClassFilter(elts);
        }

    } catch (JavaModelException e) {
        BedrockPlugin.logE("SEARCH PROBLEM: " + e);
        e.printStackTrace();
        throw new BedrockException("Can't find anything to search for", e);
    }

    if (pat == null) {
        BedrockPlugin.logW("Nothing to search for");
        return;
    }

    BedrockPlugin.logD("Setting up search");
    SearchEngine se = new SearchEngine(working);
    SearchParticipant[] parts = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
    FindHandler fh = new FindHandler(xw, filter, false);

    BedrockPlugin.logD(
            "BEGIN SEARCH " + pat + " " + parts.length + " " + " " + scp + " :: COPIES: " + working.length);

    try {
        se.search(pat, parts, scp, fh, null);
    } catch (Throwable e) {
        throw new BedrockException("Problem doing find all search for " + pat + ": " + e, e);
    }

    if (cls != null && defs) { // need to add the actual class definition
        BedrockUtil.outputJavaElement(cls, false, xw);
    }
}

From source file:edu.brown.cs.bubbles.bedrock.BedrockJava.java

License:Open Source License

/********************************************************************************/

void handleJavaSearch(String proj, String bid, String patstr, String foritems, boolean defs, boolean refs,
        boolean impls, boolean equiv, boolean exact, boolean system, IvyXmlWriter xw) throws BedrockException {
    IJavaProject ijp = getJavaProject(proj);

    our_plugin.waitForEdits();//  w  w w . j a  va2 s .c  om

    int forflags = 0;
    if (foritems == null)
        forflags = IJavaSearchConstants.TYPE;
    else if (foritems.equalsIgnoreCase("CLASS"))
        forflags = IJavaSearchConstants.CLASS;
    else if (foritems.equalsIgnoreCase("INTERFACE"))
        forflags = IJavaSearchConstants.INTERFACE;
    else if (foritems.equalsIgnoreCase("ENUM"))
        forflags = IJavaSearchConstants.ENUM;
    else if (foritems.equalsIgnoreCase("ANNOTATION"))
        forflags = IJavaSearchConstants.ANNOTATION_TYPE;
    else if (foritems.equalsIgnoreCase("CLASS&ENUM"))
        forflags = IJavaSearchConstants.CLASS_AND_ENUM;
    else if (foritems.equalsIgnoreCase("CLASS&INTERFACE"))
        forflags = IJavaSearchConstants.CLASS_AND_INTERFACE;
    else if (foritems.equalsIgnoreCase("TYPE"))
        forflags = IJavaSearchConstants.TYPE;
    else if (foritems.equalsIgnoreCase("FIELD"))
        forflags = IJavaSearchConstants.FIELD;
    else if (foritems.equalsIgnoreCase("METHOD"))
        forflags = IJavaSearchConstants.METHOD;
    else if (foritems.equalsIgnoreCase("CONSTRUCTOR"))
        forflags = IJavaSearchConstants.CONSTRUCTOR;
    else if (foritems.equalsIgnoreCase("PACKAGE"))
        forflags = IJavaSearchConstants.PACKAGE;
    else if (foritems.equalsIgnoreCase("FIELDWRITE"))
        forflags = IJavaSearchConstants.FIELD | IJavaSearchConstants.WRITE_ACCESSES;
    else if (foritems.equalsIgnoreCase("FIELDREAD"))
        forflags = IJavaSearchConstants.FIELD | IJavaSearchConstants.READ_ACCESSES;
    else
        forflags = IJavaSearchConstants.TYPE;

    int limit = 0;
    if (defs && refs)
        limit = IJavaSearchConstants.ALL_OCCURRENCES;
    else if (defs)
        limit = IJavaSearchConstants.DECLARATIONS;
    else if (refs)
        limit = IJavaSearchConstants.REFERENCES;
    else if (impls)
        limit = IJavaSearchConstants.IMPLEMENTORS;

    int mrule = SearchPattern.R_PATTERN_MATCH;
    if (equiv)
        mrule = SearchPattern.R_EQUIVALENT_MATCH;
    else if (exact)
        mrule = SearchPattern.R_EXACT_MATCH;

    SearchPattern pat = SearchPattern.createPattern(patstr, forflags, limit, mrule);
    if (pat == null) {
        throw new BedrockException(
                "Invalid java search pattern `" + patstr + "' " + forflags + " " + limit + " " + mrule);
    }

    FindFilter filter = null;
    if (forflags == IJavaSearchConstants.METHOD) {
        String p = patstr;
        int idx = p.indexOf("(");
        if (idx > 0)
            p = p.substring(0, idx);
        idx = p.lastIndexOf(".");
        if (idx > 0) {
            if (defs)
                filter = new ClassFilter(p.substring(0, idx));
        }
    }

    // TODO: create scope for only user's items
    IJavaElement[] pelt;
    if (ijp != null)
        pelt = new IJavaElement[] { ijp };
    else
        pelt = getAllProjects();

    ICompilationUnit[] working = getWorkingElements(pelt);
    for (ICompilationUnit xcu : working) {
        try {
            BedrockPlugin.logD("WORK WITH " + xcu.isWorkingCopy() + " " + xcu.getPath() + xcu.getSourceRange());
        } catch (JavaModelException e) {
            BedrockPlugin.logD("WORK WITH ERROR: " + e);
        }
    }

    IJavaSearchScope scp = null;
    int fg = IJavaSearchScope.SOURCES | IJavaSearchScope.REFERENCED_PROJECTS;
    if (system) {
        fg |= IJavaSearchScope.SYSTEM_LIBRARIES | IJavaSearchScope.APPLICATION_LIBRARIES;
        scp = SearchEngine.createWorkspaceScope();
    } else {
        scp = SearchEngine.createJavaSearchScope(pelt, fg);
    }

    SearchEngine se = new SearchEngine(working);
    SearchParticipant[] parts = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
    FindHandler fh = new FindHandler(xw, filter, system);

    BedrockPlugin.logD("BEGIN SEARCH " + pat);
    BedrockPlugin.logD("SEARCH SCOPE " + system + " " + fg + " " + scp);

    try {
        se.search(pat, parts, scp, fh, null);
    } catch (Throwable e) {
        throw new BedrockException("Problem doing Java search: " + e, e);
    }
}

From source file:edu.brown.cs.bubbles.bedrock.BedrockRenamer.java

License:Open Source License

/********************************************************************************/

void rename(String proj, String bid, String file, int start, int end, String name, String handle,
        String newname, boolean keeporig, boolean getters, boolean setters, boolean dohier, boolean qual,
        boolean refs, boolean dosimilar, boolean textocc, boolean doedit, String filespat, IvyXmlWriter xw)
        throws BedrockException {
    ICompilationUnit icu = our_plugin.getCompilationUnit(proj, file);

    IJavaElement[] elts;// w  w w.  ja  va2s. co  m
    try {
        elts = icu.codeSelect(start, end - start);
    } catch (JavaModelException e) {
        throw new BedrockException("Bad location: " + e, e);
    }

    IJavaElement relt = null;
    for (IJavaElement ije : elts) {
        if (handle != null && !handle.equals(ije.getHandleIdentifier()))
            continue;
        if (name != null && !name.equals(ije.getElementName()))
            continue;
        relt = ije;
        break;
    }
    if (relt == null)
        throw new BedrockException("Item to rename not found");

    BedrockPlugin.logD("RENAME CHECK " + relt.getElementType() + " " + relt.getParent().getElementType());

    switch (relt.getElementType()) {
    case IJavaElement.COMPILATION_UNIT:
        throw new BedrockException("Compilation unit renaming not supported yet");
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
    case IJavaElement.PACKAGE_FRAGMENT:
        throw new BedrockException("Package renaming not supported yet");
    case IJavaElement.FIELD:
    case IJavaElement.LOCAL_VARIABLE:
    case IJavaElement.TYPE_PARAMETER:
        break;
    case IJavaElement.METHOD:
        IMethod mthd = (IMethod) relt;
        try {
            if (mthd.isConstructor())
                throw new BedrockException("Constructor renaming not supported yet");
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.TYPE:
        IJavaElement pelt = relt.getParent();
        if (pelt.getElementType() == IJavaElement.COMPILATION_UNIT) {
            ITypeRoot xcu = (ITypeRoot) pelt;
            if (relt == xcu.findPrimaryType()) {
                throw new BedrockException("Compilation unit renaming based on type not supported yet");
            }
        }
        break;
    default:
        throw new BedrockException("Invalid element type to rename");
    }

    SearchPattern sp = SearchPattern.createPattern(relt, IJavaSearchConstants.ALL_OCCURRENCES,
            SearchPattern.R_EXACT_MATCH);

    List<ICompilationUnit> worku = new ArrayList<ICompilationUnit>();
    for (IJavaElement je : BedrockJava.getAllProjects()) {
        our_plugin.getWorkingElements(je, worku);
    }
    ICompilationUnit[] work = new ICompilationUnit[worku.size()];
    work = worku.toArray(work);

    int fg = IJavaSearchScope.SOURCES | IJavaSearchScope.REFERENCED_PROJECTS;
    IJavaSearchScope scp = SearchEngine.createJavaSearchScope(work, fg);

    SearchEngine se = new SearchEngine(work);
    SearchParticipant[] parts = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
    FindHandler fh = new FindHandler(xw, null);

    try {
        se.search(sp, parts, scp, fh, null);
    } catch (CoreException e) {
        throw new BedrockException("Problem doing find all search: " + e, e);
    }

    BedrockPlugin.logD("RENAME RESULT = " + xw.toString());
}

From source file:org.eclipse.ajdt.internal.ui.refactoring.RippleMethodFinder2.java

License:Open Source License

private void findAllDeclarations(IProgressMonitor monitor, WorkingCopyOwner owner) throws CoreException {
    fDeclarations = new ArrayList();

    class MethodRequestor extends SearchRequestor {
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            IMethod method = (IMethod) match.getElement();
            boolean isBinary = method.isBinary();
            if (fBinaryRefs != null || !(fExcludeBinaries && isBinary)) {
                fDeclarations.add(method);
            }/*from www  .  j  a  va 2s.  c om*/
            if (isBinary && fBinaryRefs != null) {
                fDeclarationToMatch.put(method, match);
            }
        }
    }

    int limitTo = IJavaSearchConstants.DECLARATIONS | IJavaSearchConstants.IGNORE_DECLARING_TYPE
            | IJavaSearchConstants.IGNORE_RETURN_TYPE;
    int matchRule = SearchPattern.R_ERASURE_MATCH | SearchPattern.R_CASE_SENSITIVE;
    SearchPattern pattern = SearchPattern.createPattern(fMethod, limitTo, matchRule);
    SearchParticipant[] participants = SearchUtils.getDefaultSearchParticipants();
    IJavaSearchScope scope = RefactoringScopeFactory.createRelatedProjectsScope(fMethod.getJavaProject(),
            IJavaSearchScope.SOURCES | IJavaSearchScope.APPLICATION_LIBRARIES
                    | IJavaSearchScope.SYSTEM_LIBRARIES);
    MethodRequestor requestor = new MethodRequestor();
    SearchEngine searchEngine = owner != null ? new SearchEngine(owner) : new SearchEngine();

    searchEngine.search(pattern, participants, scope, requestor, monitor);
}