From e5c8298beee5dde90ca98cc4707faac4bf0e2f0c Mon Sep 17 00:00:00 2001 From: Vitaly Takmazov Date: Thu, 7 Jul 2016 15:13:47 +0300 Subject: reorganize project --- .../src/main/java/ru/sape/SerializedPhpParser.java | 221 +++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 juick-www/src/main/java/ru/sape/SerializedPhpParser.java (limited to 'juick-www/src/main/java/ru/sape/SerializedPhpParser.java') diff --git a/juick-www/src/main/java/ru/sape/SerializedPhpParser.java b/juick-www/src/main/java/ru/sape/SerializedPhpParser.java new file mode 100644 index 00000000..a24551b9 --- /dev/null +++ b/juick-www/src/main/java/ru/sape/SerializedPhpParser.java @@ -0,0 +1,221 @@ +/* +Copyright (c) 2007 Zsolt Szász + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +package ru.sape; + +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.regex.Pattern; + +/** + * Deserializes a serialized PHP data structure into corresponding Java objects. It supports + * the integer, float, boolean, string primitives that are mapped to their Java + * equivalent, plus arrays that are parsed into Map instances and objects + * that are represented by {@link SerializedPhpParser.PhpObject} instances. + *

+ * Example of use: + * 

+ *      String input = "O:8:"TypeName":1:{s:3:"foo";s:3:"bar";}";
+ *      SerializedPhpParser serializedPhpParser = new SerializedPhpParser(input);
+ *      Object result = serializedPhpParser.parse();
+ *
+ * + * The result object will be a PhpObject with the name "TypeName" and + * the attribute "foo" = "bar". + */ +class SerializedPhpParser { + + private final String input; + private int index; + private boolean assumeUTF8 = true; + private Pattern acceptedAttributeNameRegex = null; + + public SerializedPhpParser(String input) { + this.input = input; + } + + public Object parse() { + char type = input.charAt(index); + switch (type) { + case 'i': + index += 2; + return parseInt(); + case 'd': + index += 2; + return parseFloat(); + case 'b': + index += 2; + return parseBoolean(); + case 's': + index += 2; + return parseString(); + case 'a': + index += 2; + return parseArray(); + case 'O': + index += 2; + return parseObject(); + case 'N': + index += 2; + return NULL; + default: + throw new IllegalStateException("Encountered unknown type [" + type + "], str=" + input.substring(index)); + } + } + + private Object parseObject() { + PhpObject phpObject = new PhpObject(); + int strLen = readLength(); + phpObject.name = input.substring(index, index + strLen); + index = index + strLen + 2; + int attrLen = readLength(); + for (int i = 0; i < attrLen; i++) { + Object key = parse(); + Object value = parse(); + if (isAcceptedAttribute(key)) { + phpObject.attributes.put(key, value); + } + } + index++; + return phpObject; + } + + private Map parseArray() { + int arrayLen = readLength(); + Map result = new LinkedHashMap(); + for (int i = 0; i < arrayLen; i++) { + Object key = parse(); + Object value = parse(); + if (isAcceptedAttribute(key)) { + result.put(key, value); + } + } + index++; + return result; + } + + private boolean isAcceptedAttribute(Object key) { + if (acceptedAttributeNameRegex == null) { + return true; + } + if (!(key instanceof String)) { + return true; + } + return acceptedAttributeNameRegex.matcher((String) key).matches(); + } + + private int readLength() { + int delimiter = input.indexOf(':', index); + int arrayLen = Integer.valueOf(input.substring(index, delimiter)); + index = delimiter + 2; + return arrayLen; + } + + /** + * Assumes strings are utf8 encoded + * + * @return + */ + private String parseString() { + int strLen = readLength(); + + int utfStrLen = 0; + int byteCount = 0; + while (byteCount != strLen) { + char ch = input.charAt(index + utfStrLen++); + + /* + if (ch == '\'') { + utfStrLen -= 1; + break; + } + */ + + if (assumeUTF8) { + if ((ch >= 0x0001) && (ch <= 0x007F)) { + byteCount++; + } else if (ch > 0x07FF) { + byteCount += 3; + } else { + byteCount += 2; + } + } else { + byteCount++; + } + } + String value = input.substring(index, index + utfStrLen); + index = index + utfStrLen + 2; + return value; + } + + private Boolean parseBoolean() { + int delimiter = input.indexOf(';', index); + String value = input.substring(index, delimiter); + if (value.equals("1")) { + value = "true"; + } else if (value.equals("0")) { + value = "false"; + } + index = delimiter + 1; + return Boolean.valueOf(value); + } + + private Double parseFloat() { + int delimiter = input.indexOf(';', index); + String value = input.substring(index, delimiter); + index = delimiter + 1; + return Double.valueOf(value); + } + + private Integer parseInt() { + int delimiter = input.indexOf(';', index); + String value = input.substring(index, delimiter); + index = delimiter + 1; + return Integer.valueOf(value); + } + + public void setAcceptedAttributeNameRegex(String acceptedAttributeNameRegex) { + this.acceptedAttributeNameRegex = Pattern.compile(acceptedAttributeNameRegex); + } + public static final Object NULL = new Object() { + + @Override + public String toString() { + return "NULL"; + } + }; + + /** + * Represents an object that has a name and a map of attributes + */ + public static class PhpObject { + + public String name; + public Map attributes = new HashMap(); + + @Override + public String toString() { + return "\"" + name + "\" : " + attributes.toString(); + } + } +} -- cgit v1.2.3