io.macgyver.core.resource.provider.filesystem.FileSystemResource.java Source code

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Here is the source code for io.macgyver.core.resource.provider.filesystem.FileSystemResource.java

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/**
 * 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 io.macgyver.core.resource.provider.filesystem;

import io.macgyver.core.resource.Resource;
import io.macgyver.core.resource.ResourceProvider;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import com.google.common.base.Charsets;
import com.google.common.base.MoreObjects;
import com.google.common.hash.Hashing;
import com.google.common.io.CharStreams;
import com.google.common.io.Files;

public class FileSystemResource extends Resource {

    File fileObject;

    public FileSystemResource(ResourceProvider loader, String name, File object) {
        super(loader, name);
        this.fileObject = object;
    }

    @Override
    public String toString() {
        try {
            return MoreObjects.toStringHelper(this).add("path", getPath()).toString();
        } catch (Exception e) {
            return MoreObjects.toStringHelper(this).toString();
        }
    }

    @Override
    public String getHash() throws IOException {
        return Files.hash(fileObject, Hashing.sha1()).toString();

    }

    @Override
    public String getContentAsString() throws IOException {
        String text;
        try (InputStreamReader reader = new InputStreamReader(openInputStream(), Charsets.UTF_8)) {
            text = CharStreams.toString(reader);
        }
        return text;
    }

    @Override
    public InputStream openInputStream() throws IOException {
        return new BufferedInputStream(new FileInputStream(fileObject));
    }

    @Override
    public boolean exists() {
        return fileObject.exists();
    }
}