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        无法将 eclipse 项目转换为 IJavaProject

        时间:2023-08-22
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                  本文介绍了无法将 eclipse 项目转换为 IJavaProject的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我有以下代码

                      IJavaProject targetProject = null;
                      IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
                      for (IProject project : root.getProjects()) {
                          if (project.getName().equals(projName)) {
                              try {
                                  if (project.hasNature("org.eclipse.jdt.core.javanature")) {
                                      targetProject = (IJavaProject) project;
                                  }
                              } catch( ... ) {
                               // etc ...
                              }
                  

                  我想要做的实际上是返回一个与特定名称匹配的项目作为 IJavaProject.如您所见,我通过以下方式检查以确保相关项目具有 java 特性:

                  What I am trying to do is essentially return a project that matches a particular name as an IJavaProject. As you can see, I check to ensure that the project in question has a java nature by calling:

                  if (project.hasNature("org.eclipse.jdt.core.javanature")) {
                  

                  唉,我收到一个ClassCaseException"声明

                  Alas, I get a 'ClassCaseException' stating

                  java.lang.ClassCastException: 
                      org.eclipse.core.internal.resources.Project cannot be cast to org.eclipse.jdt.core.IJavaProject
                  

                  知道为什么吗?我会认为一旦 IProject 具有 Java 特性,它就可以转换为 IJavaProject.由于服务不可用,我目前无法访问 JDT Core API 这里.

                  Any idea why? I would have thought that once an IProject has a java nature, it can be cast to a IJavaProject. I can't get access to the JDT Core API at the moment as the service is unavailable here.

                  推荐答案

                  您答案中的代码不应该工作(错字?).以下是创建 IJavaProject 的方法:

                  The code in your answer shouldn't work (typo?). Here is how you can create an IJavaProject:

                  import org.eclipse.jdt.core.JavaCore
                  ...
                      if (project.hasNature(JavaCore.NATURE_ID)) {
                          targetProject = JavaCore.create(project);
                      }
                  

                  IProject 是 Eclipse 资源 API 中的一种类型,而 IJavaProject 是 Eclipse Java 模型中的一种类型.它们不是相同的抽象,但所有 IJavaProject 都有一个 IProject.

                  IProject is a type in the Eclipse Resources API and IJavaProject is a type in the Eclipse Java Model. They are not the same abstractions, but all IJavaProjects have an IProject.

                  这篇关于无法将 eclipse 项目转换为 IJavaProject的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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