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charset update 2

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This commit is contained in:
Hubert Tylkowski 2018-06-20 15:15:46 +02:00
parent 841b8b4590
commit cdb246b734
3 changed files with 71 additions and 46 deletions
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90
Zadanie-03/.idea/workspace.xml
View File

@ -1,14 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project version="4"> <project version="4">
<component name="ChangeListManager"> <component name="ChangeListManager">
<list default="true" id="5f8a3521-157f-4adb-a0ab-dc99bbf14aa0" name="Default" comment="small code refactor"> <list default="true" id="5f8a3521-157f-4adb-a0ab-dc99bbf14aa0" name="Default" comment="">
<change afterPath="$PROJECT_DIR$/.idea/description.html" afterDir="false" /> <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/.idea/project-template.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/out/production/Zadanie-03/com/tylkowski/crc/CrcTask.class" afterDir="false" />
<change afterPath="$PROJECT_DIR$/out/production/Zadanie-03/com/tylkowski/crc/Main.class" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" afterDir="false" /> <change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" afterDir="false" /> <change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" afterDir="false" />
</list> </list>
@ -25,8 +19,8 @@
<file leaf-file-name="Main.java" pinned="false" current-in-tab="true"> <file leaf-file-name="Main.java" pinned="false" current-in-tab="true">
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java"> <entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
<provider selected="true" editor-type-id="text-editor"> <provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="238"> <state relative-caret-position="255">
<caret line="14" column="57" selection-start-line="14" selection-start-column="51" selection-end-line="14" selection-end-column="57" /> <caret line="15" column="9" lean-forward="true" selection-start-line="15" selection-start-column="9" selection-end-line="15" selection-end-column="9" />
</state> </state>
</provider> </provider>
</entry> </entry>
@ -34,8 +28,8 @@
<file leaf-file-name="CrcTask.java" pinned="false" current-in-tab="false"> <file leaf-file-name="CrcTask.java" pinned="false" current-in-tab="false">
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java"> <entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
<provider selected="true" editor-type-id="text-editor"> <provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="102"> <state relative-caret-position="178">
<caret line="13" column="22" selection-start-line="13" selection-start-column="22" selection-end-line="13" selection-end-column="22" /> <caret line="44" column="9" lean-forward="true" selection-start-line="44" selection-start-column="9" selection-end-line="44" selection-end-column="9" />
<folding> <folding>
<element signature="imports" expanded="true" /> <element signature="imports" expanded="true" />
</folding> </folding>
@ -66,6 +60,9 @@
<find>chunk</find> <find>chunk</find>
<find>toBin</find> <find>toBin</find>
<find>toBinaryStr</find> <find>toBinaryStr</find>
<find>swap</find>
<find>letter</find>
<find>lol</find>
</findStrings> </findStrings>
</component> </component>
<component name="Git.Settings"> <component name="Git.Settings">
@ -74,8 +71,8 @@
<component name="IdeDocumentHistory"> <component name="IdeDocumentHistory">
<option name="CHANGED_PATHS"> <option name="CHANGED_PATHS">
<list> <list>
<option value="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" />
<option value="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" /> <option value="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" />
<option value="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" />
</list> </list>
</option> </option>
</component> </component>
@ -96,6 +93,8 @@
<foldersAlwaysOnTop value="true" /> <foldersAlwaysOnTop value="true" />
</navigator> </navigator>
<panes> <panes>
<pane id="PackagesPane" />
<pane id="AndroidView" />
<pane id="ProjectPane"> <pane id="ProjectPane">
<subPane> <subPane>
<expand> <expand>
@ -118,9 +117,7 @@
<select /> <select />
</subPane> </subPane>
</pane> </pane>
<pane id="AndroidView" />
<pane id="Scope" /> <pane id="Scope" />
<pane id="PackagesPane" />
</panes> </panes>
</component> </component>
<component name="PropertiesComponent"> <component name="PropertiesComponent">
@ -144,8 +141,7 @@
<configuration name="Main" type="Application" factoryName="Application" temporary="true"> <configuration name="Main" type="Application" factoryName="Application" temporary="true">
<option name="MAIN_CLASS_NAME" value="com.tylkowski.crc.Main" /> <option name="MAIN_CLASS_NAME" value="com.tylkowski.crc.Main" />
<module name="Zadanie-03" /> <module name="Zadanie-03" />
<option name="PROGRAM_PARAMETERS" value="&quot;1&quot; &quot;a&quot;" /> <option name="PROGRAM_PARAMETERS" value="&quot;2&quot; &quot;b­&quot;" />
<option name="VM_PARAMETERS" value="-Dfile.encoding=latin-1" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" /> <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" />
<RunnerSettings RunnerId="Run" /> <RunnerSettings RunnerId="Run" />
<ConfigurationWrapper RunnerId="Run" /> <ConfigurationWrapper RunnerId="Run" />
@ -187,7 +183,8 @@
<workItem from="1529407679397" duration="19000" /> <workItem from="1529407679397" duration="19000" />
<workItem from="1529409635196" duration="1437000" /> <workItem from="1529409635196" duration="1437000" />
<workItem from="1529428699866" duration="20522000" /> <workItem from="1529428699866" duration="20522000" />
<workItem from="1529482084631" duration="5516000" /> <workItem from="1529482084631" duration="5831000" />
<workItem from="1529497353540" duration="2850000" />
</task> </task>
<task id="LOCAL-00001" summary="project started"> <task id="LOCAL-00001" summary="project started">
<created>1529359475020</created> <created>1529359475020</created>
@ -224,11 +221,18 @@
<option name="project" value="LOCAL" /> <option name="project" value="LOCAL" />
<updated>1529450003665</updated> <updated>1529450003665</updated>
</task> </task>
<option name="localTasksCounter" value="6" /> <task id="LOCAL-00006" summary="charset update">
<created>1529487959831</created>
<option name="number" value="00006" />
<option name="presentableId" value="LOCAL-00006" />
<option name="project" value="LOCAL" />
<updated>1529487959831</updated>
</task>
<option name="localTasksCounter" value="7" />
<servers /> <servers />
</component> </component>
<component name="TimeTrackingManager"> <component name="TimeTrackingManager">
<option name="totallyTimeSpent" value="41722000" /> <option name="totallyTimeSpent" value="44887000" />
</component> </component>
<component name="ToolWindowManager"> <component name="ToolWindowManager">
<frame x="-8" y="-8" width="1382" height="744" extended-state="6" /> <frame x="-8" y="-8" width="1382" height="744" extended-state="6" />
@ -244,11 +248,11 @@
<window_info anchor="right" id="Maven Projects" order="3" /> <window_info anchor="right" id="Maven Projects" order="3" />
<window_info anchor="bottom" id="Database Changes" order="7" show_stripe_button="false" /> <window_info anchor="bottom" id="Database Changes" order="7" show_stripe_button="false" />
<window_info anchor="bottom" id="Version Control" order="7" /> <window_info anchor="bottom" id="Version Control" order="7" />
<window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.43069306" /> <window_info anchor="bottom" id="Run" order="2" weight="0.38118812" />
<window_info anchor="bottom" id="Terminal" order="7" /> <window_info anchor="bottom" id="Terminal" order="7" />
<window_info id="Capture Tool" order="2" /> <window_info id="Capture Tool" order="2" />
<window_info id="Designer" order="2" /> <window_info id="Designer" order="2" />
<window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.16414523" /> <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.16641453" />
<window_info anchor="right" id="Database" order="3" /> <window_info anchor="right" id="Database" order="3" />
<window_info id="Structure" order="1" side_tool="true" weight="0.25" /> <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
<window_info anchor="right" id="Ant Build" order="1" weight="0.25" /> <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
@ -276,9 +280,27 @@
<MESSAGE value="encode added!" /> <MESSAGE value="encode added!" />
<MESSAGE value="decode added!" /> <MESSAGE value="decode added!" />
<MESSAGE value="small code refactor" /> <MESSAGE value="small code refactor" />
<option name="LAST_COMMIT_MESSAGE" value="small code refactor" /> <MESSAGE value="charset update" />
<option name="LAST_COMMIT_MESSAGE" value="charset update" />
</component> </component>
<component name="editorHistoryManager"> <component name="editorHistoryManager">
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="374">
<caret line="22" lean-forward="true" selection-start-line="22" selection-end-line="22" />
</state>
</provider>
</entry>
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="2856">
<caret line="170" selection-start-line="170" selection-end-line="170" selection-end-column="50" />
<folding>
<element signature="imports" expanded="true" />
</folding>
</state>
</provider>
</entry>
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java"> <entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
<provider selected="true" editor-type-id="text-editor"> <provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="204"> <state relative-caret-position="204">
@ -366,10 +388,24 @@
</state> </state>
</provider> </provider>
</entry> </entry>
<entry file="jar://C:/Program Files/Java/jdk1.8.0_77/src.zip!/java/lang/System.java">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="329">
<caret line="494" column="24" selection-start-line="494" selection-start-column="24" selection-end-line="494" selection-end-column="24" />
</state>
</provider>
</entry>
<entry file="jar://C:/Program Files/Java/jdk1.8.0_77/src.zip!/java/util/Arrays.java">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="278">
<caret line="3556" column="19" selection-start-line="3556" selection-start-column="19" selection-end-line="3556" selection-end-column="19" />
</state>
</provider>
</entry>
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java"> <entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
<provider selected="true" editor-type-id="text-editor"> <provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="102"> <state relative-caret-position="178">
<caret line="13" column="22" selection-start-line="13" selection-start-column="22" selection-end-line="13" selection-end-column="22" /> <caret line="44" column="9" lean-forward="true" selection-start-line="44" selection-start-column="9" selection-end-line="44" selection-end-column="9" />
<folding> <folding>
<element signature="imports" expanded="true" /> <element signature="imports" expanded="true" />
</folding> </folding>
@ -378,8 +414,8 @@
</entry> </entry>
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java"> <entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
<provider selected="true" editor-type-id="text-editor"> <provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="238"> <state relative-caret-position="255">
<caret line="14" column="57" selection-start-line="14" selection-start-column="51" selection-end-line="14" selection-end-column="57" /> <caret line="15" column="9" lean-forward="true" selection-start-line="15" selection-start-column="9" selection-end-line="15" selection-end-column="9" />
</state> </state>
</provider> </provider>
</entry> </entry>

19
Zadanie-03/src/com/tylkowski/crc/CrcTask.java
View File

@ -18,10 +18,10 @@ class CrcTask {
} }
private void setEncoding() throws NoSuchFieldException, IllegalAccessException { private void setEncoding() throws NoSuchFieldException, IllegalAccessException {
System.setProperty("file.encoding","ISO-8859-1"); System.setProperty("file.encoding", "ISO-8859-1");
Field charset = Charset.class.getDeclaredField("defaultCharset"); Field charset = Charset.class.getDeclaredField("defaultCharset");
charset.setAccessible(true); charset.setAccessible(true);
charset.set(null,null); charset.set(null, null);
} }
private String formatMessage(String message) { private String formatMessage(String message) {
@ -65,8 +65,6 @@ class CrcTask {
remainder = removeUnecessaryZeros(remainder); remainder = removeUnecessaryZeros(remainder);
messageAsShortArray = createMessageFromRemainderAndPartFromOldMessage(remainder, messageAsShortArray); messageAsShortArray = createMessageFromRemainderAndPartFromOldMessage(remainder, messageAsShortArray);
} }
} }
} }
@ -111,7 +109,6 @@ class CrcTask {
private char getCharFromShortArray(short[] piece, int from, int to) { private char getCharFromShortArray(short[] piece, int from, int to) {
short[] sign = Arrays.copyOfRange(piece, from, to); short[] sign = Arrays.copyOfRange(piece, from, to);
int character = Integer.parseInt(shortArrayToBinaryString(sign), 2); int character = Integer.parseInt(shortArrayToBinaryString(sign), 2);
// System.out.println(character);
return (char) character; return (char) character;
} }
@ -165,30 +162,23 @@ class CrcTask {
} }
private String letterToBinaryString(char letter) { private String letterToBinaryString(char letter) {
// System.out.println("lt: " + letter + " " + (int) letter);
int a = (int) letter; int a = (int) letter;
// if (a == 63) a = 157;
System.out.println("letter in int: " + a);
StringBuilder binaryString = new StringBuilder(Integer.toBinaryString(a)); StringBuilder binaryString = new StringBuilder(Integer.toBinaryString(a));
while (binaryString.length() % 8 != 0) { while (binaryString.length() % 8 != 0) {
binaryString.insert(0, "0"); binaryString.insert(0, "0");
} }
// System.out.println("bs" + binaryString.toString());
return binaryString.toString(); return binaryString.toString();
} }
boolean decode(String encodedString) { boolean decode(String encodedString) {
encodedString = toBinaryString(encodedString); encodedString = toBinaryString(encodedString);
encodedString = fillPolyTo8(encodedString); encodedString = fillPoly(encodedString);
short[] encodedShortArray = convertBinaryStringToShortArray(encodedString); short[] encodedShortArray = convertBinaryStringToShortArray(encodedString);
encodedShortArray = swapPolynomialValues(encodedShortArray); encodedShortArray = swapPolynomialValues(encodedShortArray);
while (true) { while (true) {
if (!shortArrayContains(encodedShortArray, 1)) { if (!shortArrayContains(encodedShortArray, 1)) {
return true; return true;
} }
if (encodedShortArray[0] == 0) { if (encodedShortArray[0] == 0) {
encodedShortArray = Arrays.copyOfRange(encodedShortArray, 1, encodedShortArray.length); encodedShortArray = Arrays.copyOfRange(encodedShortArray, 1, encodedShortArray.length);
} else { } else {
@ -208,7 +198,6 @@ class CrcTask {
StringBuilder stringBuilder = new StringBuilder(); StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < encodedString.length(); i++) { for (int i = 0; i < encodedString.length(); i++) {
stringBuilder.append(letterToBinaryString(encodedString.charAt(i))); stringBuilder.append(letterToBinaryString(encodedString.charAt(i)));
} }
return stringBuilder.toString(); return stringBuilder.toString();
} }
@ -222,7 +211,7 @@ class CrcTask {
return false; return false;
} }
private String fillPolyTo8(String encodedString) { private String fillPoly(String encodedString) {
StringBuilder stringBuilder = new StringBuilder(encodedString); StringBuilder stringBuilder = new StringBuilder(encodedString);
while (stringBuilder.length() % 8 != 0) { while (stringBuilder.length() % 8 != 0) {
stringBuilder.insert(0, "0"); stringBuilder.insert(0, "0");

8
Zadanie-03/src/com/tylkowski/crc/Main.java
View File

@ -3,10 +3,10 @@ package com.tylkowski.crc;
public class Main { public class Main {
public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException { public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException {
// use valid character encoding ISO-8859-1 // in command line type "1" for mode and "b" for message
// in command line type "1" for mode and "a" for message // example "1" "b" -> this will encode string "b" and return FCS
//example "1" "a" -> this will encode string "a" and return FCS // example "2" "bXY" -> this will decode string "bXY" and return true if it is valid or false if not
// example "2" "abc" -> this will decode string "abc" and return true if it is valid or false if not // X and Y - 1 and 2 character of FCS
CrcTask crcTask = new CrcTask(args[1], args[1]); CrcTask crcTask = new CrcTask(args[1], args[1]);
if(args[0].equals("1")) { if(args[0].equals("1")) {
//create FCS //create FCS