com.searchbox.framework.service.DirectoryService.java Source code

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Here is the source code for com.searchbox.framework.service.DirectoryService.java

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/*******************************************************************************
 * Copyright Searchbox - http://www.searchbox.com
 * 
 * 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.searchbox.framework.service;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.stereotype.Service;

@Service
public class DirectoryService {

    private static final Logger LOGGER = LoggerFactory.getLogger(DirectoryService.class);

    @Autowired
    ApplicationContext context;

    File tempDir;

    DirectoryService() {
        // this.tempDir = new File
    }

    public String getApplicationRelativePath(String fname) {
        Resource tempDir = context.getResource("WEB-INF/temp/");
        File file;
        try {
            file = new File(tempDir.getFile().getAbsolutePath() + "/" + fname);
            LOGGER.debug("Application absolutePath: " + context.getResource("").getFile().getAbsolutePath());
            String relative = context.getResource("").getFile().toURI().relativize(file.toURI()).getPath();
            return relative;
        } catch (IOException e) {
            LOGGER.error("Could not create temp file in directoryService", e);
        }
        return null;
    }

    public String getApplicationRelativePath(File file) {
        try {
            LOGGER.debug("Application absolutePath: " + context.getResource("").getFile().getAbsolutePath());
            String relative = context.getResource("").getFile().toURI().relativize(file.toURI()).getPath();
            return relative;
        } catch (IOException e) {
            LOGGER.error("Could not get application-relative path in directoryService", e);
        }
        return null;
    }

    public Boolean fileExists(String fname) {
        Resource tempDir = context.getResource("WEB-INF/temp/");
        File newFile;
        try {
            newFile = new File(tempDir.getFile().getAbsolutePath() + "/" + fname);
            return newFile.exists();
        } catch (IOException e) {
            LOGGER.error("Could not create temp file in directoryService", e);
        }
        return false;
    }

    public File createFile(String fname, String content) {
        File file = this.createFile(fname);
        try {
            FileUtils.writeStringToFile(file, content);
        } catch (IOException e) {
            LOGGER.error("Could not write to temp file in directoryService", e);
        }
        return file;
    }

    public File createFile(String fname) {
        Resource tempDir = context.getResource("WEB-INF/temp/");
        if (!tempDir.exists()) {
            try {
                tempDir.getFile().mkdirs();
            } catch (IOException e) {
                LOGGER.error("Could not create temp file in directoryService", e);
            }
        }
        try {
            File newFile = new File(tempDir.getFile().getAbsolutePath() + "/" + fname);
            newFile.deleteOnExit();
            return newFile;
        } catch (IOException e) {
            LOGGER.error("Could not create temp file in directoryService", e);

        }
        return null;
    }

    public String createRelativeCachedAttribute(String value) {

        Integer hash = value.hashCode();

        String tempFile = "cached_" + hash + ".jspx";
        if (!fileExists(tempFile)) {
            createFile(tempFile, value);
        }
        String path = "/" + getApplicationRelativePath(tempFile);
        LOGGER.info("Saved {} with path: {}", tempFile, path);
        return path;
    }

}