119 lines
3.8 KiB
Java
119 lines
3.8 KiB
Java
/*
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* This file is part of Player Analytics (Plan).
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*
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* Plan is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License v3 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Plan is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Plan. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.djrapitops.plan.storage.file;
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import org.apache.commons.io.IOUtils;
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import java.io.ByteArrayOutputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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import java.util.function.LongSupplier;
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/**
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* {@link Resource} implementation for something that is read via InputStream.
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*
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* @author AuroraLS3
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*/
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public class JarResource implements Resource {
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private final String resourceName;
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private final StreamSupplier streamSupplier;
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private final LongSupplier lastModifiedSupplier;
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public JarResource(String resourceName, StreamSupplier streamSupplier, LongSupplier lastModifiedSupplier) {
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this.resourceName = resourceName;
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this.streamSupplier = streamSupplier;
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this.lastModifiedSupplier = lastModifiedSupplier;
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}
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public JarResource(String resourceName, StreamFunction streamFunction, LongSupplier lastModifiedSupplier) {
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this(resourceName, () -> streamFunction.get(resourceName), lastModifiedSupplier);
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}
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@Override
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public long getLastModifiedDate() {
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return lastModifiedSupplier.getAsLong();
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}
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@Override
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public InputStream asInputStream() throws IOException {
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InputStream stream = streamSupplier.get();
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if (stream == null) {
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throw new FileNotFoundException("a Resource was not found inside the jar (" + resourceName + "), " +
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"Plan does not support /reload or updates using " +
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"Plugin Managers, restart the server and see if the error persists.");
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}
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return stream;
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}
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@Override
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public List<String> asLines() throws IOException {
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List<String> lines = new ArrayList<>();
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try (
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InputStream inputStream = asInputStream();
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Scanner scanner = new Scanner(inputStream, StandardCharsets.UTF_8)
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) {
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while (scanner.hasNextLine()) {
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lines.add(scanner.nextLine());
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}
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}
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return lines;
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}
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@Override
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public String asString() throws IOException {
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StringBuilder flat = new StringBuilder();
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try (
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InputStream inputStream = asInputStream();
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Scanner scanner = new Scanner(inputStream, StandardCharsets.UTF_8)
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) {
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while (scanner.hasNextLine()) {
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flat.append(scanner.nextLine()).append("\r\n");
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}
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}
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return flat.toString();
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}
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@Override
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public byte[] asBytes() throws IOException {
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try (
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InputStream in = asInputStream();
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ByteArrayOutputStream out = new ByteArrayOutputStream()
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) {
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IOUtils.copy(in, out);
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return out.toByteArray();
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}
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}
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@Override
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public String getResourceName() {
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return resourceName;
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}
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public interface StreamSupplier {
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InputStream get() throws IOException;
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}
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public interface StreamFunction {
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InputStream get(String value) throws IOException;
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}
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} |