Java IPath.segment方法代码示例

import org.eclipse.core.runtime.IPath; //导入方法依赖的package包/类
/**
 * @return
 */
protected boolean validateContainer(Problem pb) {
	if (selectedContainer==null)  {
		pb.raiseProblem(MessageUtil.getString("select_a_folder"), Problem.PROBLEM_RESOURCE_EMPTY);
		return false;
	}
	if (!selectedContainer.exists()) {
		pb.raiseProblem(MessageUtil.getString("folder_does_not_exists"), Problem.FOLDER_PROJECT_DOES_NOT_EXIST);
		return false;
	}
	IPath path = selectedContainer.getFullPath();
	IWorkspace workspace = ResourcesPlugin.getWorkspace();
	String projectName = path.segment(0);
	if (projectName == null
			|| !workspace.getRoot().getProject(projectName).exists()) {
		pb.raiseProblem(MessageUtil.getString("project_does_not_exist"), Problem.PROBLEM_PROJECT_DOES_NOT_EXIST);
		return false;
	}
	return true;
}
 

import org.eclipse.core.runtime.IPath; //导入方法依赖的package包/类
public static PgDatabase buildFiles(Collection<IFile> files, IProgressMonitor monitor,
        List<FunctionBodyContainer> funcBodies) throws InterruptedException, IOException, CoreException {
    SubMonitor mon = SubMonitor.convert(monitor, files.size());
    Set<String> schemaDirnamesLoaded = new HashSet<>();
    IPath schemasPath = new Path(WORK_DIR_NAMES.SCHEMA.name());
    PgDatabase db = new PgDatabase(false);
    db.setArguments(new PgDiffArguments());

    for (IFile file : files) {
        IPath filePath = file.getProjectRelativePath();
        if (!"sql".equals(file.getFileExtension()) || !isInProject(filePath)) { //$NON-NLS-1$
            // skip non-sql or non-project files
            // still report work
            mon.worked(1);
            continue;
        }

        if (schemasPath.isPrefixOf(filePath)) {
            IPath relSchemasPath = filePath.makeRelativeTo(schemasPath);
            String schemaDirname;
            boolean schemaDefSql = relSchemasPath.segmentCount() == 1;
            if (schemaDefSql) {
                // schema definition SQL-file
                schemaDirname = relSchemasPath.removeFileExtension().lastSegment();
            } else {
                // schema-contained object
                // preload its schema so that search_path parses normally
                schemaDirname = relSchemasPath.segment(0);
            }
            if (!schemaDirnamesLoaded.add(schemaDirname)) {
                // schema already loaded, skip
                if (schemaDefSql) {
                    // report schema pre-built if the same schema was to be built normally as well
                    mon.worked(1);
                }
                continue;
            } else if (!schemaDefSql) {
                // pre-load schema for object's search path
                // otherwise we're dealing with the schema file itself, allow it to load normally
                // don't pass progress monitor since this file isn't in the original load-set
                loadFile(file.getProject().getFile(schemasPath.append(schemaDirname + ".sql")), //$NON-NLS-1$
                        null, db, funcBodies, null);
            }
        }

        loadFile(file, mon, db, funcBodies, null);
    }
    return db;
}
 

import org.eclipse.core.runtime.IPath; //导入方法依赖的package包/类
/**
 * @param path project relative path of checked resource
 * @return whether this resource is within the main database schema hierarchy
 */
public static boolean isInProject(IPath path) {
    String dir = path.segment(0);
    return dir == null ? false : Arrays.stream(ApgdiffConsts.WORK_DIR_NAMES.values())
            .map(Enum::name).anyMatch(dir::equals);
}