org.datacleaner.restclient.ComponentsRestClientUtils Maven / Gradle / Ivy
/**
* DataCleaner (community edition)
* Copyright (C) 2014 Neopost - Customer Information Management
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.restclient;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.TextNode;
/**
* @Since 9/15/15
*/
public abstract class ComponentsRestClientUtils {
/**
* Encodes the given URI path segment with the given encoding.
* Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency).
*/
public static String encodeUrlPathSegment(String string) {
try {
byte[] bytes = encodeBytes(string.getBytes("UTF-8"));
return new String(bytes, "US-ASCII");
}
catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
public static String escapeComponentName(String name) {
return name.replace("/", "_@_");
}
public static String unescapeComponentName(String escapedName) {
return escapedName.replace("_@_", "/");
}
public static JsonNode createInputColumnSpecification(String name, Class columnType, String columnTypeName, JsonNodeFactory nodeFac) {
ObjectNode colSpec = new ObjectNode(nodeFac);
colSpec.set("name", new TextNode(name));
colSpec.set("type", new TextNode(columnTypeName));
colSpec.set("className", new TextNode(columnType.getName()));
return colSpec;
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static boolean isPchar(int c) {
return isUnreserved(c) || isSubDelimiter(c) || ':' == c || '@' == c;
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static boolean isUnreserved(int c) {
return isAlpha(c) || isDigit(c) || '-' == c || '.' == c || '_' == c || '~' == c;
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static boolean isAlpha(int c) {
return c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z';
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static boolean isDigit(int c) {
return c >= '0' && c <= '9';
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static boolean isSubDelimiter(int c) {
return '!' == c || '$' == c || '&' == c || '\'' == c || '(' == c || ')' == c || '*' == c || '+' == c ||
',' == c || ';' == c || '=' == c;
}
/** Copy&paste from org.springframework.web.util.UriUtils.encodePathSegment(...) (We don't want the Spring dependency) */
private static byte[] encodeBytes(byte[] source) {
ByteArrayOutputStream bos = new ByteArrayOutputStream(source.length);
for (byte b : source) {
if (b < 0) {
b += 256;
}
if (isPchar(b)) {
bos.write(b);
}
else {
bos.write('%');
char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, 16));
char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, 16));
bos.write(hex1);
bos.write(hex2);
}
}
return bos.toByteArray();
}
}