br.com.objectos.http.PathSpec Maven / Gradle / Ivy

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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.http;

import java.util.Iterator;
import java.util.List;

import br.com.objectos.core.util.ImmutableList;

/**
 * @author [email protected] (Marcio Endo)
 */
class PathSpec {

  private final List partList;

  private PathSpec(List partMatcherList) {
    partList = partMatcherList;
  }

  public static Builder builder() {
    return new Builder();
  }

  public ResolvedPath resolve(Path path) {
    ResolvedPathBuilder builder = new ResolvedPathBuilder(partList.iterator());
    while (builder.hasMoreParts()) {
      if (!path.hasNextPart()) {
        builder.stop();
        break;
      }

      PathSpecPart specPart = builder.nextPart();
      specPart.accept(builder, path);
    }

    return builder.build();
  }

  @Override
  public String toString() {
    StringBuilder s = new StringBuilder("/");

    Iterator parts = partList.iterator();
    if (parts.hasNext()) {
      s.append(parts.next());
      while (parts.hasNext()) {
        s.append('/');
        s.append(parts.next());
      }
    }

    return s.toString();
  }

  public static class Builder {

    private final ImmutableList.Builder partList = ImmutableList.builder();

    private Builder() {
    }

    public PathSpec build() {
      return new PathSpec(partList.build());
    }

    public Builder catchAllArgument() {
      partList.add(PathSpecPart.catchAllArgument());
      return this;
    }

    public Builder fixed(String part) {
      partList.add(PathSpecPart.fixed(part));
      return this;
    }

    public Builder intArgument() {
      partList.add(PathSpecPart.intArgument());
      return this;
    }

    public Builder stringArgument() {
      partList.add(PathSpecPart.stringArgument());
      return this;
    }

  }

}