Integration with Vertabelo - possibility to download Vertabelo XML model directly from the API
This commit is contained in:
Michał Kołodziejski
parent
593b86227a
commit
e65f62d833
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package org.jooq.util.vertabelo;
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import java.io.BufferedReader;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.UnsupportedEncodingException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import javax.net.ssl.HttpsURLConnection;
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import javax.xml.bind.JAXB;
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import org.jooq.tools.JooqLogger;
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import org.jooq.tools.StringUtils;
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import org.jooq.util.vertabelo.jaxb.DatabaseModel;
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import org.jooq.util.vertabelo.util.Base64Coder;
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/**
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* The Vertabelo API Database
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*
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* @author Michał Kołodziejski
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*/
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public class VertabeloAPIDatabase extends VertabeloXMLDatabase {
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private static final JooqLogger log = JooqLogger.getLogger(VertabeloAPIDatabase.class);
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protected static final String API_URL_PREFIX = "https://my.vertabelo.com/api/xml/";
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// codegen properties
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protected static final String API_TOKEN_PARAM = "api-token";
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protected static final String MODEL_ID_PARAM = "model-id";
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protected static final String TAG_NAME_PARAM = "tag-name";
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protected String apiToken;
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protected String modelId;
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protected String tagName;
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@Override
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protected DatabaseModel databaseModel() {
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if(databaseModel == null) {
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readSettings();
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String xml = getXMLFromAPI();
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ByteArrayInputStream stream;
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try {
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stream = new ByteArrayInputStream(xml.getBytes("UTF-8"));
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}
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catch (UnsupportedEncodingException e) {
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throw new RuntimeException(e);
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}
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databaseModel = JAXB.unmarshal(stream, DatabaseModel.class);
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}
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return databaseModel;
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}
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protected void readSettings() {
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apiToken = getProperties().getProperty(API_TOKEN_PARAM);
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if (StringUtils.isEmpty(apiToken)) {
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throw new IllegalStateException("Lack of \"" + API_TOKEN_PARAM + "\" parameter.");
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}
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modelId = getProperties().getProperty(MODEL_ID_PARAM);
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if (StringUtils.isEmpty(modelId)) {
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throw new IllegalStateException("Lack of \"" + MODEL_ID_PARAM + "\" parameter.");
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}
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tagName = getProperties().getProperty(TAG_NAME_PARAM);
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}
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protected String getXMLFromAPI() {
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String xml = null;
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String apiUrl = getApiUrl();
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try {
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log.info("Creating connection to Vertabelo server...");
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URL url = new URL(apiUrl);
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HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
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connection.setConnectTimeout(5000);
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connection.setReadTimeout(5000);
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// authorization data
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String encodedAuthData = Base64Coder.encodeString(apiToken + ":");
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connection.addRequestProperty("Authorization", "Basic " + encodedAuthData);
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// do request
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int responseCode=connection.getResponseCode();
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log.info("Response code: " + responseCode);
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if (responseCode != HttpsURLConnection.HTTP_OK) {
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throw new RuntimeException("Request failed with status code: " + responseCode);
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}
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// read response
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String response = "";
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String line;
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BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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while ((line = br.readLine()) != null) {
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response += line;
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}
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xml = response;
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} catch (MalformedURLException e) {
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throw new RuntimeException(e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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return xml;
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}
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protected String getApiUrl() {
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String apiUrl = API_URL_PREFIX + modelId;
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if(!StringUtils.isEmpty(tagName)) {
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apiUrl += "/" + tagName;
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}
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return apiUrl;
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}
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}
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@ -0,0 +1,283 @@
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//Copyright 2003-2010 Christian d'Heureuse, Inventec Informatik AG, Zurich, Switzerland
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//www.source-code.biz, www.inventec.ch/chdh
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//
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//This module is multi-licensed and may be used under the terms
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//of any of the following licenses:
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//
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//EPL, Eclipse Public License, V1.0 or later, http://www.eclipse.org/legal
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//LGPL, GNU Lesser General Public License, V2.1 or later, http://www.gnu.org/licenses/lgpl.html
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//GPL, GNU General Public License, V2 or later, http://www.gnu.org/licenses/gpl.html
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//AGPL, GNU Affero General Public License V3 or later, http://www.gnu.org/licenses/agpl.html
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//AL, Apache License, V2.0 or later, http://www.apache.org/licenses
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//BSD, BSD License, http://www.opensource.org/licenses/bsd-license.php
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//MIT, MIT License, http://www.opensource.org/licenses/MIT
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//
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//Please contact the author if you need another license.
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//This module is provided "as is", without warranties of any kind.
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//
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//Project home page: www.source-code.biz/base64coder/java
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package org.jooq.util.vertabelo.util;
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/**
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* A Base64 encoder/decoder.
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* <p>
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* This class is used to encode and decode data in Base64 format as described in
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* RFC 1521.
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*
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* @author Christian d'Heureuse, Inventec Informatik AG, Zurich, Switzerland,
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* www.source-code.biz
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*/
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public class Base64Coder {
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// The line separator string of the operating system.
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private static final String systemLineSeparator = System.getProperty("line.separator");
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// Mapping table from 6-bit nibbles to Base64 characters.
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private static final char[] map1 = new char[64];
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static {
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int i = 0;
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for (char c = 'A'; c <= 'Z'; c++)
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map1[i++] = c;
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for (char c = 'a'; c <= 'z'; c++)
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map1[i++] = c;
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for (char c = '0'; c <= '9'; c++)
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map1[i++] = c;
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map1[i++] = '+';
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map1[i++] = '/';
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}
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// Mapping table from Base64 characters to 6-bit nibbles.
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private static final byte[] map2 = new byte[128];
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static {
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for (int i = 0; i < map2.length; i++)
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map2[i] = -1;
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for (int i = 0; i < 64; i++)
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map2[map1[i]] = (byte) i;
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}
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/**
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* Encodes a string into Base64 format. No blanks or line breaks are
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* inserted.
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*
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* @param s A String to be encoded.
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* @return A String containing the Base64 encoded data.
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*/
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public static String encodeString(String s) {
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return new String(encode(s.getBytes()));
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}
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/**
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* Encodes a byte array into Base 64 format and breaks the output into lines
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* of 76 characters. This method is compatible with
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* <code>sun.misc.BASE64Encoder.encodeBuffer(byte[])</code>.
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*
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* @param in An array containing the data bytes to be encoded.
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* @return A String containing the Base64 encoded data, broken into lines.
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*/
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public static String encodeLines(byte[] in) {
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return encodeLines(in, 0, in.length, 76, systemLineSeparator);
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}
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/**
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* Encodes a byte array into Base 64 format and breaks the output into
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* lines.
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*
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* @param in An array containing the data bytes to be encoded.
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* @param iOff Offset of the first byte in <code>in</code> to be processed.
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* @param iLen Number of bytes to be processed in <code>in</code>, starting
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* at <code>iOff</code>.
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* @param lineLen Line length for the output data. Should be a multiple of
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* 4.
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* @param lineSeparator The line separator to be used to separate the output
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* lines.
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* @return A String containing the Base64 encoded data, broken into lines.
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*/
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public static String encodeLines(byte[] in, int iOff, int iLen, int lineLen, String lineSeparator) {
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int blockLen = (lineLen * 3) / 4;
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if (blockLen <= 0)
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throw new IllegalArgumentException();
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int lines = (iLen + blockLen - 1) / blockLen;
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int bufLen = ((iLen + 2) / 3) * 4 + lines * lineSeparator.length();
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StringBuilder buf = new StringBuilder(bufLen);
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int ip = 0;
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while (ip < iLen) {
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int l = Math.min(iLen - ip, blockLen);
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buf.append(encode(in, iOff + ip, l));
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buf.append(lineSeparator);
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ip += l;
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}
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return buf.toString();
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}
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/**
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* Encodes a byte array into Base64 format. No blanks or line breaks are
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* inserted in the output.
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*
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* @param in An array containing the data bytes to be encoded.
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* @return A character array containing the Base64 encoded data.
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*/
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public static char[] encode(byte[] in) {
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return encode(in, 0, in.length);
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}
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/**
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* Encodes a byte array into Base64 format. No blanks or line breaks are
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* inserted in the output.
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*
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* @param in An array containing the data bytes to be encoded.
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* @param iLen Number of bytes to process in <code>in</code>.
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* @return A character array containing the Base64 encoded data.
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*/
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public static char[] encode(byte[] in, int iLen) {
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return encode(in, 0, iLen);
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}
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/**
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* Encodes a byte array into Base64 format. No blanks or line breaks are
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* inserted in the output.
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*
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* @param in An array containing the data bytes to be encoded.
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* @param iOff Offset of the first byte in <code>in</code> to be processed.
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* @param iLen Number of bytes to process in <code>in</code>, starting at
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* <code>iOff</code>.
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* @return A character array containing the Base64 encoded data.
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*/
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public static char[] encode(byte[] in, int iOff, int iLen) {
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int oDataLen = (iLen * 4 + 2) / 3; // output length without padding
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int oLen = ((iLen + 2) / 3) * 4; // output length including padding
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char[] out = new char[oLen];
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int ip = iOff;
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int iEnd = iOff + iLen;
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int op = 0;
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while (ip < iEnd) {
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int i0 = in[ip++] & 0xff;
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int i1 = ip < iEnd ? in[ip++] & 0xff : 0;
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int i2 = ip < iEnd ? in[ip++] & 0xff : 0;
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int o0 = i0 >>> 2;
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int o1 = ((i0 & 3) << 4) | (i1 >>> 4);
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int o2 = ((i1 & 0xf) << 2) | (i2 >>> 6);
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int o3 = i2 & 0x3F;
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out[op++] = map1[o0];
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out[op++] = map1[o1];
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out[op] = op < oDataLen ? map1[o2] : '=';
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op++;
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out[op] = op < oDataLen ? map1[o3] : '=';
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op++;
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}
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return out;
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}
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/**
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* Decodes a string from Base64 format. No blanks or line breaks are allowed
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* within the Base64 encoded input data.
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*
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* @param s A Base64 String to be decoded.
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* @return A String containing the decoded data.
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* @throws IllegalArgumentException If the input is not valid Base64 encoded
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* data.
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*/
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public static String decodeString(String s) {
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return new String(decode(s));
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}
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/**
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* Decodes a byte array from Base64 format and ignores line separators, tabs
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* and blanks. CR, LF, Tab and Space characters are ignored in the input
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* data. This method is compatible with
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* <code>sun.misc.BASE64Decoder.decodeBuffer(String)</code>.
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*
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* @param s A Base64 String to be decoded.
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* @return An array containing the decoded data bytes.
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* @throws IllegalArgumentException If the input is not valid Base64 encoded
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* data.
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*/
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public static byte[] decodeLines(String s) {
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char[] buf = new char[s.length()];
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int p = 0;
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for (int ip = 0; ip < s.length(); ip++) {
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char c = s.charAt(ip);
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if (c != ' ' && c != '\r' && c != '\n' && c != '\t')
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buf[p++] = c;
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}
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return decode(buf, 0, p);
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}
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/**
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* Decodes a byte array from Base64 format. No blanks or line breaks are
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* allowed within the Base64 encoded input data.
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*
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* @param s A Base64 String to be decoded.
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* @return An array containing the decoded data bytes.
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* @throws IllegalArgumentException If the input is not valid Base64 encoded
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* data.
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*/
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public static byte[] decode(String s) {
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return decode(s.toCharArray());
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}
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/**
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* Decodes a byte array from Base64 format. No blanks or line breaks are
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* allowed within the Base64 encoded input data.
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*
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* @param in A character array containing the Base64 encoded data.
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* @return An array containing the decoded data bytes.
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* @throws IllegalArgumentException If the input is not valid Base64 encoded
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* data.
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*/
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public static byte[] decode(char[] in) {
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return decode(in, 0, in.length);
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}
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/**
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* Decodes a byte array from Base64 format. No blanks or line breaks are
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* allowed within the Base64 encoded input data.
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*
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* @param in A character array containing the Base64 encoded data.
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* @param iOff Offset of the first character in <code>in</code> to be
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* processed.
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* @param iLen Number of characters to process in <code>in</code>, starting
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* at <code>iOff</code>.
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* @return An array containing the decoded data bytes.
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* @throws IllegalArgumentException If the input is not valid Base64 encoded
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* data.
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*/
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public static byte[] decode(char[] in, int iOff, int iLen) {
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if (iLen % 4 != 0)
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throw new IllegalArgumentException("Length of Base64 encoded input string is not a multiple of 4.");
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while (iLen > 0 && in[iOff + iLen - 1] == '=')
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iLen--;
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int oLen = (iLen * 3) / 4;
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byte[] out = new byte[oLen];
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int ip = iOff;
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int iEnd = iOff + iLen;
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int op = 0;
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while (ip < iEnd) {
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int i0 = in[ip++];
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int i1 = in[ip++];
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int i2 = ip < iEnd ? in[ip++] : 'A';
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int i3 = ip < iEnd ? in[ip++] : 'A';
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if (i0 > 127 || i1 > 127 || i2 > 127 || i3 > 127)
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throw new IllegalArgumentException("Illegal character in Base64 encoded data.");
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int b0 = map2[i0];
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int b1 = map2[i1];
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int b2 = map2[i2];
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int b3 = map2[i3];
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if (b0 < 0 || b1 < 0 || b2 < 0 || b3 < 0)
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throw new IllegalArgumentException("Illegal character in Base64 encoded data.");
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int o0 = (b0 << 2) | (b1 >>> 4);
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int o1 = ((b1 & 0xf) << 4) | (b2 >>> 2);
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int o2 = ((b2 & 3) << 6) | b3;
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out[op++] = (byte) o0;
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if (op < oLen)
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out[op++] = (byte) o1;
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if (op < oLen)
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out[op++] = (byte) o2;
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}
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return out;
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}
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// Dummy constructor.
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private Base64Coder() {}
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} // end class Base64Coder
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Reference in New Issue
Block a user