com.google.gwt.inject.rebind.util.SourceSnippetBuilder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gin Show documentation

GIN (GWT INjection) brings automatic dependency injection to Google Web Toolkit client-side code. GIN is built on top of Guice and uses (a subset of) Guice's binding language.

There is a newer version: 2.1.2

Show newest version

/*
 * 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.inject.rebind.util;

import java.util.ArrayList;
import java.util.List;

/**
 * Builder that composes source snippets from other source snippets.
 */
public class SourceSnippetBuilder {

  List snippets = new ArrayList();

  /**
   * Convenience routine to append a constant string to this snippet.
   */
  public SourceSnippetBuilder append(String snippet) {
    snippets.add(SourceSnippets.forText(snippet));
    return this;
  }

  public SourceSnippetBuilder append(SourceSnippet snippet) {
    snippets.add(snippet);
    return this;
  }

  public SourceSnippet build() {
    final List snippetsCopy = new ArrayList(snippets);
    return new SourceSnippet() {
      public String getSource(InjectorWriteContext writeContext) {
        StringBuilder resultBuilder = new StringBuilder();
        for (SourceSnippet snippet : snippetsCopy) {
          resultBuilder.append(snippet.getSource(writeContext));
        }

        return resultBuilder.toString();
      }
    };
  }
}