Example usage for org.eclipse.jdt.core IJavaProject newEvaluationContext

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaProject newEvaluationContext.

Prototype

IEvaluationContext newEvaluationContext();

Source Link

Document

Creates a new evaluation context.

Usage

From source file:com.google.gwt.eclipse.core.editors.java.contentassist.JsniCompletionProcessor.java

License:Open Source License

private IEvaluationContext createEvaluationContext() throws JavaModelException {
    IJavaProject project = cu.getJavaProject();
    IEvaluationContext evalContext = project.newEvaluationContext();
    String pckgName = cu.getPackageDeclarations()[0].getElementName();
    // Scope evaluation to the containing package
    evalContext.setPackageName(pckgName);
    return evalContext;
}

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From source file:org.drools.eclipse.editors.completion.DefaultCompletionProcessor.java

License:Apache License

protected List getAllClassProposals(final String classNameStart, final int documentOffset,
        final String prefix) {
    List result = new ArrayList();
    IJavaProject javaProject = getCurrentJavaProject();
    if (javaProject == null) {
        return result;
    }/*from  w  ww . j  av  a2s  . c o  m*/
    CompletionProposalCollector collector = new CompletionProposalCollector(javaProject) {
        public void accept(CompletionProposal proposal) {
            if (proposal.getKind() == org.eclipse.jdt.core.CompletionProposal.PACKAGE_REF
                    || proposal.getKind() == org.eclipse.jdt.core.CompletionProposal.TYPE_REF) {
                super.accept(proposal);
            }
        }
    };
    collector.acceptContext(new CompletionContext());
    try {
        IEvaluationContext evalContext = javaProject.newEvaluationContext();
        evalContext.codeComplete(classNameStart, classNameStart.length(), collector);
        IJavaCompletionProposal[] proposals = collector.getJavaCompletionProposals();
        for (int i = 0; i < proposals.length; i++) {
            if (proposals[i] instanceof AbstractJavaCompletionProposal) {
                AbstractJavaCompletionProposal javaProposal = (AbstractJavaCompletionProposal) proposals[i];
                int replacementOffset = documentOffset
                        - (classNameStart.length() - javaProposal.getReplacementOffset());
                javaProposal.setReplacementOffset(replacementOffset);
                if (javaProposal instanceof LazyJavaTypeCompletionProposal) {
                    String completionPrefix = classNameStart
                            .substring(classNameStart.length() - javaProposal.getReplacementLength());
                    int dotIndex = completionPrefix.lastIndexOf('.');
                    // match up to the last dot in order to make higher level matching still work (camel case...)
                    if (dotIndex != -1) {
                        javaProposal.setReplacementString(
                                ((LazyJavaTypeCompletionProposal) javaProposal).getQualifiedTypeName());
                    }
                }
                result.add(proposals[i]);
            }
        }
    } catch (Throwable t) {
        DroolsEclipsePlugin.log(t);
    }
    return result;
}

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From source file:org.drools.eclipse.editors.completion.DefaultCompletionProcessor.java

License:Apache License

protected void requestJavaCompletionProposals(final String javaText, final String prefix,
        final int documentOffset, Map params, Collection results, boolean useDrools, boolean useContext) {

    String javaTextWithoutPrefix = CompletionUtil.getTextWithoutPrefix(javaText, prefix);
    // boolean to filter default Object methods produced by code completion when in the beginning of a statement
    boolean filterObjectMethods = false;
    if ("".equals(javaTextWithoutPrefix.trim())
            || CompletionUtil.START_OF_NEW_JAVA_STATEMENT.matcher(javaTextWithoutPrefix).matches()) {
        filterObjectMethods = true;//from w  ww.  j av a  2 s . c o  m
    }
    IJavaProject javaProject = getCurrentJavaProject();
    if (javaProject == null) {
        return;
    }

    CompletionProposalCollector collector = new CompletionProposalCollector(javaProject);
    collector.acceptContext(new CompletionContext());

    try {
        IEvaluationContext evalContext = javaProject.newEvaluationContext();
        List imports = getImports();
        if (imports != null && imports.size() > 0) {
            evalContext.setImports((String[]) imports.toArray(new String[imports.size()]));
        }
        StringBuffer javaTextWithParams = new StringBuffer();
        Iterator iterator = params.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry entry = (Map.Entry) iterator.next();
            // this does not seem to work, so adding variables manually
            // evalContext.newVariable((String) entry.getValue(), (String) entry.getKey(), null);
            javaTextWithParams.append(entry.getValue() + " " + entry.getKey() + ";\n");
        }
        if (useDrools) {
            javaTextWithParams.append("org.drools.spi.KnowledgeHelper drools;");
            javaTextWithParams.append("org.drools.runtime.rule.RuleContext kcontext;");
        }
        if (useContext) {
            javaTextWithParams.append("org.drools.spi.ProcessContext context;");
            javaTextWithParams.append("org.drools.runtime.process.ProcessContext kcontext;");
        }
        javaTextWithParams.append(javaText);
        String jtext = javaTextWithParams.toString();
        String fixedText = new KnowledgeHelperFixer().fix(jtext);

        evalContext.codeComplete(fixedText, fixedText.length(), collector);
        IJavaCompletionProposal[] proposals = collector.getJavaCompletionProposals();
        for (int i = 0; i < proposals.length; i++) {
            if (proposals[i] instanceof AbstractJavaCompletionProposal) {
                AbstractJavaCompletionProposal javaProposal = (AbstractJavaCompletionProposal) proposals[i];
                int replacementOffset = documentOffset
                        - (fixedText.length() - javaProposal.getReplacementOffset());
                javaProposal.setReplacementOffset(replacementOffset);
                if (javaProposal instanceof LazyJavaTypeCompletionProposal) {
                    String completionPrefix = javaText
                            .substring(javaText.length() - javaProposal.getReplacementLength());
                    int dotIndex = completionPrefix.lastIndexOf('.');
                    // match up to the last dot in order to make higher level matching still work (camel case...)
                    if (dotIndex != -1) {
                        javaProposal.setReplacementString(
                                ((LazyJavaTypeCompletionProposal) javaProposal).getQualifiedTypeName());
                    }
                }
                if (!filterObjectMethods || !(proposals[i] instanceof JavaMethodCompletionProposal)) {
                    results.add(proposals[i]);
                }
            }
        }
    } catch (Throwable t) {
        DroolsEclipsePlugin.log(t);
    }
}

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From source file:org.drools.eclipse.editors.DRLRuleEditor.java

License:Apache License

public static List<String> getAllClassesInPackage(String packageName, IJavaProject javaProject) {
    final List<String> list = new ArrayList<String>();
    CompletionRequestor requestor = new CompletionRequestor() {
        public void accept(org.eclipse.jdt.core.CompletionProposal proposal) {
            String className = new String(proposal.getCompletion());
            if (proposal.getKind() == org.eclipse.jdt.core.CompletionProposal.TYPE_REF) {
                list.add(className);/*from   w  w  w  .j  av  a2 s  .  c  o m*/
            }
            // ignore all other proposals
        }
    };

    try {
        javaProject.newEvaluationContext().codeComplete(packageName + ".", packageName.length() + 1, requestor);
    } catch (Throwable t) {
        DroolsEclipsePlugin.log(t);
    }
    return list;
}

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From source file:org.drools.eclipse.editors.DRLRuleEditor.java

License:Apache License

protected List<String> getAllStaticMethodsInClass(String className) {
    final List<String> list = new ArrayList<String>();
    if (className != null) {
        IEditorInput input = getEditorInput();
        if (input instanceof IFileEditorInput) {
            IProject project = ((IFileEditorInput) input).getFile().getProject();
            IJavaProject javaProject = JavaCore.create(project);

            CompletionRequestor requestor = new CompletionRequestor() {
                public void accept(org.eclipse.jdt.core.CompletionProposal proposal) {
                    String functionName = new String(proposal.getCompletion());
                    if (proposal.getKind() == org.eclipse.jdt.core.CompletionProposal.METHOD_REF) {
                        list.add(functionName.substring(0, functionName.length() - 2)); // remove the ()
                    }/*  w ww. j a  v  a 2s  .co m*/
                    // ignore all other proposals
                }
            };

            try {
                javaProject.newEvaluationContext().codeComplete(className + ".", className.length() + 1,
                        requestor);
            } catch (Throwable t) {
                DroolsEclipsePlugin.log(t);
            }
        }
    }
    return list;
}

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From source file:org.hibernate.eclipse.criteriaeditor.CriteriaEditor.java

License:Open Source License

protected IEvaluationContext getEvaluationContext(IJavaProject project) {
    IEvaluationContext evalCtx = null;/*from  ww w.ja v a  2s . co m*/
    if (project != null) {
        evalCtx = project.newEvaluationContext();
    }
    if (evalCtx != null) {
        evalCtx.setImports(getImports());
    }
    return evalCtx;
}

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From source file:org.hibernate.eclipse.hqleditor.CompletionHelper.java

License:Open Source License

static public ICompletionProposal[] completeOnJavaTypes(IJavaProject javaProject, Settings settings,
        String packageName, String start, int offset) {

    if (javaProject != null) {
        IEvaluationContext context = javaProject.newEvaluationContext();
        if (packageName != null) {
            context.setPackageName(packageName);
        }/*from  w  w w.  j  a  v  a 2 s  . c  om*/

        HibernateResultCollector rc = new HibernateResultCollector(javaProject);
        rc.acceptContext(new CompletionContext());
        //rc.reset(offset, javaProject, null);
        rc.setAccepts(settings);
        try {
            // cannot send in my own document as it won't compile as
            // java - so we just send in
            // the smallest snippet possible
            context.codeComplete(start, start.length(), rc);
        } catch (JavaModelException jme) {
            HibernateConsolePlugin.getDefault().logErrorMessage(
                    HibernateConsoleMessages.CompletionHelper_could_not_complete_java_types, jme);
        }
        IJavaCompletionProposal[] results = rc.getJavaCompletionProposals();
        transpose(start, offset, results);
        return results;
    }
    return new ICompletionProposal[0];
}

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