105 lines
2.8 KiB
Java
105 lines
2.8 KiB
Java
/*
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* matrix-java-sdk - Matrix Client SDK for Java
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* Copyright (C) 2018 Kamax Sàrl
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*
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* https://www.kamax.io/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package io.kamax.matrix;
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import java.io.UnsupportedEncodingException;
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import java.net.URI;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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public class MatrixPath {
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public static String encode(String element) {
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try {
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return URLEncoder.encode(element, StandardCharsets.UTF_8.name());
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} catch (UnsupportedEncodingException e) {
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// This would be madness if it happened, but we need to handle it still
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throw new RuntimeException(e);
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}
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}
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private static MatrixPath with(String base) {
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return new MatrixPath().add(base);
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}
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public static MatrixPath root() {
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return with("");
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}
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public static MatrixPath base() {
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return root().add("_matrix");
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}
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public static MatrixPath client() {
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return base().add("client");
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}
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public static MatrixPath clientR0() {
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return client().add("r0");
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}
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private StringBuilder path = new StringBuilder();
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/**
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* Add the raw element to this path
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*
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* @param element
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* The raw element to be added as is to the path, without encoding or path separator
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* @return The MatrixPath
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*/
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public MatrixPath put(String element) {
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path.append(element);
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return this;
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}
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/**
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* URL encode and add a new path element
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*
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* This method handle path separators
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*
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* @param element
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* The element to be encoded and added.
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* @return The MatrixPath
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*/
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public MatrixPath add(String element) {
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// We add a path separator if this is the first character or if the last character is not a path separator
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// already
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if (path.length() == 0 || path.lastIndexOf("/", 0) < path.length() - 1) {
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put("/");
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}
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put(encode(element));
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return this;
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}
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public String get() {
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return path.toString();
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}
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public String toString() {
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return get();
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}
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public URI toURI() {
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return URI.create(toString());
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}
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}
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