如何使用JDT获取静态字段的所有引用

Question

我发现了Java：查找方法的所有调用者–获取所有调用特定方法的方法，这提示如何查找特定方法的所有调用者。

那么，如何获得静态字段的用户呢？

例如，当我有静态z的AnotherClass，并且它与访问ClassA，如何获得IMethod ClassA#moved？

public class AnotherClass {
    public static int z = 20;
    ....
}


public class ClassA {
    public int moved(int x, int y)
    {
        int temp = AnotherClass.z;
    }

Answer 1

该示例基于org.eclipse.jdt.internal。*类，由于JDT SearchEngine
API具有全功能，因此我认为您无需花费太多精力。就您而言，下面的代码就足够了：

    IWorkspace workspace = ResourcesPlugin.getWorkspace();
    IWorkspaceRoot root = workspace.getRoot();
    IProject plainProject = root.getProject("some project");
    IJavaProject javaProject = JavaCore.create(plainProject);
    try {
        IType type = javaProject.findType("foo.bar.AnotherClass");
        IField field = type.getField("z");
        //IJavaSearchScope scope = SearchEngine.createWorkspaceScope();
        IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] { plainProject });
        SearchPattern searchParttern = SearchPattern.createPattern(field,
                IJavaSearchConstants.REFERENCES);
        SearchRequestor requestor = new SearchRequestor() {
            @Override
            public void acceptSearchMatch(SearchMatch match) {
                System.out.println(match.getElement());
            }
        };
        SearchEngine searchEngine = new SearchEngine();
        searchEngine.search(searchParttern,
                new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, scope,
                requestor, new NullProgressMonitor());
    } catch (Exception e) {
        // some exception handling you need to do
    }