mirror of
https://github.com/geometer/FBReaderJ.git
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120 lines
3.3 KiB
Java
120 lines
3.3 KiB
Java
/*
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* Copyright (C) 2010-2013 Geometer Plus <contact@geometerplus.com>
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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package org.geometerplus.fbreader.network.opds;
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import java.util.HashMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.geometerplus.zlibrary.core.util.ZLNetworkUtil;
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import org.geometerplus.zlibrary.core.xml.ZLStringMap;
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class URLRewritingRule {
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// rule types:
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public static final int ADD_URL_PARAMETER = 0;
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public static final int REWRITE = 1;
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public static final int UNKNOWN = 2;
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// apply values:
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public static final int APPLY_EXTERNAL = 1;
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public static final int APPLY_INTERNAL = 2;
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public static final int APPLY_ALWAYS = APPLY_EXTERNAL | APPLY_INTERNAL;
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private int myType = UNKNOWN;
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private int myApply = APPLY_ALWAYS;
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private final HashMap<String,String> myParameters = new HashMap<String,String>();
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public URLRewritingRule(ZLStringMap map) {
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for (int i = map.getSize() - 1; i >= 0; --i) {
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final String key = map.getKey(i);
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final String value = map.getValue(key);
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if ("type".equals(key)) {
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if ("addUrlParameter".equals(value)) {
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myType = ADD_URL_PARAMETER;
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} else if ("rewrite".equals(value)) {
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myType = REWRITE;
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}
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} else if ("apply".equals(key)) {
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if ("internal".equals(value)) {
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myApply = APPLY_INTERNAL;
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} else if ("external".equals(value)) {
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myApply = APPLY_EXTERNAL;
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}
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} else {
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myParameters.put(key, value);
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}
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}
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}
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public int whereToApply() {
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return myApply;
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}
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public String apply(String url) {
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switch (myType) {
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default:
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return url;
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case ADD_URL_PARAMETER:
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{
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final String name = myParameters.get("name");
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final String value = myParameters.get("value");
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if (name == null || value == null) {
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return url;
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}
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return ZLNetworkUtil.appendParameter(url, name, value);
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}
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case REWRITE:
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{
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final String pattern = myParameters.get("pattern");
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final String replacement = myParameters.get("replacement");
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if (pattern == null || replacement == null) {
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return url;
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}
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final Matcher matcher = Pattern.compile(pattern).matcher(url);
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if (matcher.matches()) {
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for (int i = matcher.groupCount(); i >= 1; --i) {
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url = replacement.replace("%" + i, matcher.group(1));
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}
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}
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return url;
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}
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}
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}
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/*
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (!(o instanceof URLRewritingRule)) {
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return false;
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}
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final URLRewritingRule rule = (URLRewritingRule) o;
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if (Type != rule.Type
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|| Apply != rule.Apply
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|| !MiscUtil.equals(Name, rule.Name)
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|| !MiscUtil.equals(Value, rule.Value)) {
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return false;
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}
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return true;
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}
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*/
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}
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