下面列出了org.eclipse.lsp4j.WorkspaceEdit#getDocumentChanges ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Converts changes to resource operations if resource operations are supported
* by the client otherwise converts to TextEdit changes.
*
* @param resourceChange
* resource changes after Refactoring operation
* @param edit
* instance of workspace edit changes
* @throws CoreException
*/
private static void convertResourceChange(ResourceChange resourceChange, WorkspaceEdit edit) throws CoreException {
if (!JavaLanguageServerPlugin.getPreferencesManager().getClientPreferences().isResourceOperationSupported()) {
return;
}
List<Either<TextDocumentEdit, ResourceOperation>> changes = edit.getDocumentChanges();
if (changes == null) {
changes = new ArrayList<>();
edit.setDocumentChanges(changes);
}
// Resource change is needed and supported by client
if (resourceChange instanceof RenameCompilationUnitChange) {
convertCUResourceChange(edit, (RenameCompilationUnitChange) resourceChange);
} else if (resourceChange instanceof RenamePackageChange) {
convertRenamePackcageChange(edit, (RenamePackageChange) resourceChange);
} else if (resourceChange instanceof MoveCompilationUnitChange) {
convertMoveCompilationUnitChange(edit, (MoveCompilationUnitChange) resourceChange);
} else if (resourceChange instanceof CreateFileChange) {
convertCreateFileChange(edit, (CreateFileChange) resourceChange);
} else if (resourceChange instanceof CreateCompilationUnitChange) {
convertCreateCompilationUnitChange(edit, (CreateCompilationUnitChange) resourceChange);
}
}
private static void appendChanges(WorkspaceEdit root, WorkspaceEdit child, boolean ignoreResourceChange) {
if (root == null || child == null) {
return;
}
if (child.getChanges() != null && !child.getChanges().isEmpty()) {
if (root.getChanges() == null) {
root.setChanges(new LinkedHashMap<>());
}
for (Entry<String, List<org.eclipse.lsp4j.TextEdit>> entry : child.getChanges().entrySet()) {
root.getChanges().computeIfAbsent(entry.getKey(), (key -> new ArrayList<>()));
root.getChanges().get(entry.getKey()).addAll(entry.getValue());
}
}
if (child.getDocumentChanges() != null && !child.getDocumentChanges().isEmpty()) {
if (root.getDocumentChanges() == null) {
root.setDocumentChanges(new ArrayList<>());
}
if (ignoreResourceChange) {
root.getDocumentChanges().addAll(
child.getDocumentChanges().stream().filter((change) -> change.isLeft()).collect(Collectors.toList())
);
} else {
root.getDocumentChanges().addAll(child.getDocumentChanges());
}
}
}
@Test(expected = ResponseErrorException.class)
public void testRenameTypeWithErrors() throws JavaModelException, BadLocationException {
when(clientPreferences.isResourceOperationSupported()).thenReturn(true);
IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
String[] codes = { "package test1;\n",
"public class Newname {\n",
" }\n",
"}\n" };
StringBuilder builder = new StringBuilder();
mergeCode(builder, codes);
ICompilationUnit cu = pack1.createCompilationUnit("Newname.java", builder.toString(), false, null);
String[] codes1 = { "package test1;\n",
"public class E|* {\n",
" public E() {\n",
" }\n",
" public int bar() {\n", " }\n",
" public int foo() {\n",
" this.bar();\n",
" }\n",
"}\n" };
builder = new StringBuilder();
Position pos = mergeCode(builder, codes1);
cu = pack1.createCompilationUnit("E.java", builder.toString(), false, null);
WorkspaceEdit edit = getRenameEdit(cu, pos, "Newname");
assertNotNull(edit);
List<Either<TextDocumentEdit, ResourceOperation>> resourceChanges = edit.getDocumentChanges();
assertEquals(resourceChanges.size(), 3);
}
private void assertRenameFileOperation(Either<Command, CodeAction> codeAction, String newUri) {
WorkspaceEdit edit = getWorkspaceEdit(codeAction);
List<Either<TextDocumentEdit, ResourceOperation>> documentChanges = edit.getDocumentChanges();
assertNotNull(documentChanges);
assertEquals(1, documentChanges.size());
ResourceOperation resourceOperation = documentChanges.get(0).getRight();
assertNotNull(resourceOperation);
assertTrue(resourceOperation instanceof RenameFile);
assertEquals(newUri, ((RenameFile) resourceOperation).getNewUri());
}
protected String evaluateCodeActionCommand(Either<Command, CodeAction> codeAction)
throws BadLocationException, JavaModelException {
Command c = codeAction.isLeft() ? codeAction.getLeft() : codeAction.getRight().getCommand();
Assert.assertEquals(CodeActionHandler.COMMAND_ID_APPLY_EDIT, c.getCommand());
Assert.assertNotNull(c.getArguments());
Assert.assertTrue(c.getArguments().get(0) instanceof WorkspaceEdit);
WorkspaceEdit we = (WorkspaceEdit) c.getArguments().get(0);
if (we.getDocumentChanges() != null) {
return evaluateChanges(we.getDocumentChanges());
}
return evaluateChanges(we.getChanges());
}
@Test
public void testRenamePackage() throws JavaModelException, BadLocationException {
when(clientPreferences.isResourceOperationSupported()).thenReturn(true);
IPackageFragment pack1 = sourceFolder.createPackageFragment("parent.pack1", false, null);
IPackageFragment pack2 = sourceFolder.createPackageFragment("parent.pack2", false, null);
StringBuilder codeA = new StringBuilder();
codeA.append("package parent.pack1;\n");
codeA.append("import parent.pack2.B;\n");
codeA.append("public class A {\n");
codeA.append(" public void foo() {\n");
codeA.append(" B b = new B();\n");
codeA.append(" b.foo();\n");
codeA.append(" }\n");
codeA.append("}\n");
StringBuilder codeB = new StringBuilder();
codeB.append("package parent.pack2;\n");
codeB.append("public class B {\n");
codeB.append(" public B() {}\n");
codeB.append(" public void foo() {}\n");
codeB.append("}\n");
ICompilationUnit cuA = pack1.createCompilationUnit("A.java", codeA.toString(), false, null);
ICompilationUnit cuB = pack2.createCompilationUnit("B.java", codeB.toString(), false, null);
String pack2Uri = JDTUtils.getFileURI(pack2.getResource());
String newPack2Uri = pack2Uri.replace("pack2", "newpack2");
WorkspaceEdit edit = FileEventHandler.handleWillRenameFiles(new FileRenameParams(Arrays.asList(new FileRenameEvent(pack2Uri, newPack2Uri))), new NullProgressMonitor());
assertNotNull(edit);
List<Either<TextDocumentEdit, ResourceOperation>> documentChanges = edit.getDocumentChanges();
assertEquals(2, documentChanges.size());
assertTrue(documentChanges.get(0).isLeft());
assertEquals(documentChanges.get(0).getLeft().getTextDocument().getUri(), JDTUtils.toURI(cuA));
assertEquals(TextEditUtil.apply(codeA.toString(), documentChanges.get(0).getLeft().getEdits()),
"package parent.pack1;\n" +
"import parent.newpack2.B;\n" +
"public class A {\n" +
" public void foo() {\n" +
" B b = new B();\n" +
" b.foo();\n" +
" }\n" +
"}\n"
);
assertTrue(documentChanges.get(1).isLeft());
assertEquals(documentChanges.get(1).getLeft().getTextDocument().getUri(), JDTUtils.toURI(cuB));
assertEquals(TextEditUtil.apply(codeB.toString(), documentChanges.get(1).getLeft().getEdits()),
"package parent.newpack2;\n" +
"public class B {\n" +
" public B() {}\n" +
" public void foo() {}\n" +
"}\n"
);
}
@Test
public void testRenameSubPackage() throws JavaModelException, BadLocationException {
when(clientPreferences.isResourceOperationSupported()).thenReturn(true);
IPackageFragment parentPack = sourceFolder.createPackageFragment("parent", false, null);
IPackageFragment pack1 = sourceFolder.createPackageFragment("parent.pack1", false, null);
IPackageFragment pack2 = sourceFolder.createPackageFragment("parent.pack2", false, null);
StringBuilder codeA = new StringBuilder();
codeA.append("package parent.pack1;\n");
codeA.append("import parent.pack2.B;\n");
codeA.append("public class A {\n");
codeA.append(" public void foo() {\n");
codeA.append(" B b = new B();\n");
codeA.append(" b.foo();\n");
codeA.append(" }\n");
codeA.append("}\n");
StringBuilder codeB = new StringBuilder();
codeB.append("package parent.pack2;\n");
codeB.append("public class B {\n");
codeB.append(" public B() {}\n");
codeB.append(" public void foo() {}\n");
codeB.append("}\n");
ICompilationUnit cuA = pack1.createCompilationUnit("A.java", codeA.toString(), false, null);
ICompilationUnit cuB = pack2.createCompilationUnit("B.java", codeB.toString(), false, null);
String parentPackUri = JDTUtils.getFileURI(parentPack.getResource());
String newParentPackUri = parentPackUri.replace("parent", "newparent");
WorkspaceEdit edit = FileEventHandler.handleWillRenameFiles(new FileRenameParams(Arrays.asList(new FileRenameEvent(parentPackUri, newParentPackUri))), new NullProgressMonitor());
assertNotNull(edit);
List<Either<TextDocumentEdit, ResourceOperation>> documentChanges = edit.getDocumentChanges();
assertEquals(3, documentChanges.size());
assertTrue(documentChanges.get(0).isLeft());
assertEquals(documentChanges.get(0).getLeft().getTextDocument().getUri(), JDTUtils.toURI(cuA));
assertTrue(documentChanges.get(1).isLeft());
assertEquals(documentChanges.get(1).getLeft().getTextDocument().getUri(), JDTUtils.toURI(cuA));
List<TextEdit> edits = new ArrayList<>();
edits.addAll(documentChanges.get(0).getLeft().getEdits());
edits.addAll(documentChanges.get(1).getLeft().getEdits());
assertEquals(TextEditUtil.apply(codeA.toString(), edits),
"package newparent.pack1;\n" +
"import newparent.pack2.B;\n" +
"public class A {\n" +
" public void foo() {\n" +
" B b = new B();\n" +
" b.foo();\n" +
" }\n" +
"}\n"
);
assertTrue(documentChanges.get(2).isLeft());
assertEquals(documentChanges.get(2).getLeft().getTextDocument().getUri(), JDTUtils.toURI(cuB));
assertEquals(TextEditUtil.apply(codeB.toString(), documentChanges.get(2).getLeft().getEdits()),
"package newparent.pack2;\n" +
"public class B {\n" +
" public B() {}\n" +
" public void foo() {}\n" +
"}\n"
);
}
@Test
public void testRenameTypeWithResourceChanges() throws JavaModelException, BadLocationException {
when(clientPreferences.isResourceOperationSupported()).thenReturn(true);
IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
String[] codes = { "package test1;\n",
"public class E|* {\n",
" public E() {\n",
" }\n",
" public int bar() {\n", " }\n",
" public int foo() {\n",
" this.bar();\n",
" }\n",
"}\n" };
StringBuilder builder = new StringBuilder();
Position pos = mergeCode(builder, codes);
ICompilationUnit cu = pack1.createCompilationUnit("E.java", builder.toString(), false, null);
WorkspaceEdit edit = getRenameEdit(cu, pos, "Newname");
assertNotNull(edit);
List<Either<TextDocumentEdit, ResourceOperation>> resourceChanges = edit.getDocumentChanges();
assertEquals(resourceChanges.size(), 2);
Either<TextDocumentEdit, ResourceOperation> change = resourceChanges.get(1);
RenameFile resourceChange = (RenameFile) change.getRight();
assertEquals(JDTUtils.toURI(cu), resourceChange.getOldUri());
assertEquals(JDTUtils.toURI(cu).replaceFirst("(?s)E(?!.*?E)", "Newname"), resourceChange.getNewUri());
List<TextEdit> testChanges = new LinkedList<>();
testChanges.addAll(resourceChanges.get(0).getLeft().getEdits());
String expected = "package test1;\n" +
"public class Newname {\n" +
" public Newname() {\n" +
" }\n" +
" public int bar() {\n" +
" }\n" +
" public int foo() {\n" +
" this.bar();\n" +
" }\n" +
"}\n";
assertEquals(expected, TextEditUtil.apply(builder.toString(), testChanges));
}
@Test
public void testRenamePackage() throws JavaModelException, BadLocationException {
when(clientPreferences.isResourceOperationSupported()).thenReturn(true);
IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
IPackageFragment pack2 = sourceFolder.createPackageFragment("parent.test2", false, null);
String[] codes1= {
"package test1;\n",
"import parent.test2.B;\n",
"public class A {\n",
" public void foo(){\n",
" B b = new B();\n",
" b.foo();\n",
" }\n",
"}\n"
};
String[] codes2 = {
"package parent.test2|*;\n",
"public class B {\n",
" public B() {}\n",
" public void foo() {}\n",
"}\n"
};
StringBuilder builderA = new StringBuilder();
mergeCode(builderA, codes1);
ICompilationUnit cuA = pack1.createCompilationUnit("A.java", builderA.toString(), false, null);
StringBuilder builderB = new StringBuilder();
Position pos = mergeCode(builderB, codes2);
ICompilationUnit cuB = pack2.createCompilationUnit("B.java", builderB.toString(), false, null);
WorkspaceEdit edit = getRenameEdit(cuB, pos, "parent.newpackage");
assertNotNull(edit);
List<Either<TextDocumentEdit, ResourceOperation>> resourceChanges = edit.getDocumentChanges();
assertEquals(5, resourceChanges.size());
List<TextEdit> testChangesA = new LinkedList<>();
testChangesA.addAll(resourceChanges.get(0).getLeft().getEdits());
List<TextEdit> testChangesB = new LinkedList<>();
testChangesB.addAll(resourceChanges.get(1).getLeft().getEdits());
String expectedA =
"package test1;\n" +
"import parent.newpackage.B;\n" +
"public class A {\n" +
" public void foo(){\n" +
" B b = new B();\n" +
" b.foo();\n" +
" }\n" +
"}\n";
String expectedB =
"package parent.newpackage;\n" +
"public class B {\n" +
" public B() {}\n" +
" public void foo() {}\n" +
"}\n";
assertEquals(expectedA, TextEditUtil.apply(builderA.toString(), testChangesA));
assertEquals(expectedB, TextEditUtil.apply(builderB.toString(), testChangesB));
//moved package
CreateFile resourceChange = (CreateFile) resourceChanges.get(2).getRight();
assertEquals(ResourceUtils.fixURI(pack2.getResource().getRawLocationURI()).replaceFirst("test2[/]?", "newpackage/.temp"), resourceChange.getUri());
//moved class B
RenameFile resourceChange2 = (RenameFile) resourceChanges.get(3).getRight();
assertEquals(ResourceUtils.fixURI(cuB.getResource().getRawLocationURI()), resourceChange2.getOldUri());
assertEquals(ResourceUtils.fixURI(cuB.getResource().getRawLocationURI()).replace("test2", "newpackage"), resourceChange2.getNewUri());
}