com.google.gwt.editor.client.testing.EditorHierarchyPrinter Maven / Gradle / Ivy
/*
* Copyright 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.editor.client.testing;
import com.google.gwt.editor.client.EditorContext;
import com.google.gwt.editor.client.EditorDriver;
import com.google.gwt.editor.client.EditorVisitor;
/**
* A utility class that creates a string representation of an Editor hierarchy
* for testing purposes.
*/
public final class EditorHierarchyPrinter extends EditorVisitor {
private static final String INDENT = " ";
private static final String SPACE = " ";
/**
* Produce a string representation of the Editor hierarchy being controlled by
* {@code driver}.
*/
public static String toString(EditorDriver driver) {
StringBuilder sb = new StringBuilder();
driver.accept(new EditorHierarchyPrinter(sb));
return sb.toString();
}
private int level = 0;
private final StringBuilder sb;
private EditorHierarchyPrinter(StringBuilder out) {
this.sb = out;
}
@Override
public void endVisit(EditorContext ctx) {
level--;
}
@Override
public boolean visit(EditorContext ctx) {
println(ctx.getAbsolutePath());
data(ctx.getEditedType().getName());
data(ctx.getEditor().getClass().getName());
data("Implements: " //
+ ctx.asCompositeEditor() == null ? "" : "CompositeEditor " //
+ ctx.asHasEditorDelegate() == null ? "" : "HasEditorDelegate " //
+ ctx.asHasEditorErrors() == null ? "" : "HasEditorErrors " //
+ ctx.asLeafValueEditor() == null ? "" : "LeafValueEditor " //
+ ctx.asValueAwareEditor() == null ? "" : "ValueAwareEditor ");
level++;
return true;
}
private void data(String msg) {
println(SPACE + msg);
}
private void println(String msg) {
for (int i = 0; i < level; i++) {
sb.append(INDENT);
}
sb.append(msg);
sb.append("\n");
}
}