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net.codestory.http.routes.StaticRoute Maven / Gradle / Ivy

/**
 * Copyright (C) 2013 [email protected]
 *
 * 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 net.codestory.http.routes;

import static net.codestory.http.constants.Methods.*;

import java.nio.file.*;
import java.util.function.*;

import net.codestory.http.*;
import net.codestory.http.compilers.*;
import net.codestory.http.io.*;
import net.codestory.http.misc.*;
import net.codestory.http.types.*;

class StaticRoute implements Route {
  private static final Path NOT_FOUND = Paths.get("");

  private final Function findPath;

  StaticRoute(boolean cached) {
    if (cached) {
      this.findPath = new Cache<>(StaticRoute::findPath);
    } else {
      this.findPath = StaticRoute::findPath;
    }
  }

  @Override
  public boolean matchUri(String uri) {
    return findPath.apply(uri) != NOT_FOUND;
  }

  @Override
  public boolean matchMethod(String method) {
    return GET.equalsIgnoreCase(method) || HEAD.equalsIgnoreCase(method);
  }

  @Override
  public Object body(Context context) {
    return findPath.apply(context.uri());
  }

  private static Object findPath(String uri) {
    Path path = Resources.findExistingPath(uri);
    if ((path == null) || !Resources.isPublic(path)) {
      return NOT_FOUND;
    }

    if (ContentTypes.is_binary(path)) {
      return path;
    }

    return new CompiledPath(path);
  }
}




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