com.bennavetta.vetinari.build.SiteBuilder.java Source code

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Here is the source code for com.bennavetta.vetinari.build.SiteBuilder.java

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/**
 * Copyright 2014 Ben Navetta
 *
 * 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.bennavetta.vetinari.build;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import javax.inject.Inject;

import lombok.extern.slf4j.Slf4j;

import com.bennavetta.vetinari.Site;
import com.bennavetta.vetinari.VetinariContext;
import com.bennavetta.vetinari.VetinariException;
import com.bennavetta.vetinari.parse.SiteLoader;
import com.google.common.collect.Iterables;
import com.google.inject.Singleton;

/**
 * Build a site by applying {@link BuildPhase}s in order.
 */
@Singleton
@Slf4j
public class SiteBuilder {
    private final SiteLoader siteLoader;
    private final VetinariContext context;

    private final Set<BuildPhase> phases;

    @Inject
    public SiteBuilder(SiteLoader siteLoader, VetinariContext context, Set<BuildPhase> phases) {
        this.siteLoader = siteLoader;
        this.context = context;
        this.phases = phases;
    }

    /**
     * Build the site. The site loaded from a {@link SiteLoader} is passed through the ordered sequence
     * of build phases, each receiving the result of the previous.
     * @throws Exception if any phase throws an exception, or there is an error loading the site
     */
    public void build() throws VetinariException {
        Site site = siteLoader.load(context);

        List<BuildPhase> runList = context.getSiteConfig().getStringList("phases").stream()
                .map(name -> Iterables.find(phases, phase -> name.equals(phase.getName())))
                .collect(Collectors.toList());

        for (BuildPhase phase : runList) {
            log.info("Running phase {}", phase.getName());
            site = phase.process(site);
        }
        // File output should be a phase, so we don't have to handle it here.
    }
}