/*
* Copyright 2010 Patrick Woodworth
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.emergent.android.weave.client;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLEncoder;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;
import org.apache.http.HttpEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.protocol.HTTP;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
/**
* @author Patrick Woodworth
*/
public class WeaveUtil {
public static class UriBuilder {
private String m_val;
public UriBuilder(URI uri) {
m_val = uri.toASCIIString();
}
public void appendEncodedPath(String s) {
if (m_val.charAt(m_val.length() - 1) != '/')
m_val += "/";
m_val += s;
}
public URI build() {
try {
return URI.create(m_val);
} catch (IllegalArgumentException e) {
Dbg.w("BAD URI: %s", m_val);
throw e;
}
}
}
private static final String JSON_STREAM_TYPE = "application/json";
private static final String ENTITY_CHARSET_NAME = "UTF-8";
public static UriBuilder buildUpon(URI serverUri) {
return new UriBuilder(serverUri);
}
@SuppressWarnings({})
public static void checkNull(String str) {
if (str == null || str.trim().length() < 1) {
Dbg.w(new IllegalArgumentException(
"checkNull(String) had empty arg"));
}
}
@SuppressWarnings({})
public static void checkNull(URI uri) {
if (uri == null) {
Dbg.w(new IllegalArgumentException("checkNull(URI) had null arg"));
} else if (uri.getHost() == null || uri.getHost().length() < 1) {
Dbg.w(new IllegalArgumentException("checkNull(URI) had empty host"));
}
}
public static void dump(JSONObject jsonObject) {
try {
String out = jsonObject.toString(2);
System.out.println(out);
} catch (JSONException e) {
e.printStackTrace();
}
}
public static String encodeUriSegment(String segment) {
try {
return URLEncoder.encode(segment, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
public static byte[] toAsciiBytes(String data) {
try {
return data == null ? null : data.getBytes("US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
public static String toAsciiString(byte[] data) {
try {
return data == null ? null : new String(data, "US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
private static HttpEntity toHttpEntity(JSONArray jsonArray)
throws JSONException {
try {
StringEntity entity = new StringEntity(jsonArray.toString(0),
ENTITY_CHARSET_NAME);
entity.setContentType(JSON_STREAM_TYPE + HTTP.CHARSET_PARAM
+ ENTITY_CHARSET_NAME);
return entity;
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
private static HttpEntity toHttpEntity(WeaveBasicObject wbo)
throws JSONException {
try {
StringEntity entity = new StringEntity(wbo.toJSONObjectString(),
ENTITY_CHARSET_NAME);
entity.setContentType(JSON_STREAM_TYPE + HTTP.CHARSET_PARAM
+ ENTITY_CHARSET_NAME);
return entity;
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
public static Date toModifiedTimeDate(double modDouble) {
try {
long mod = Math.round(modDouble * 1000);
return new Date(mod);
} catch (Exception e) {
return null;
}
}
public static Date toModifiedTimeDate(String modified) {
@SuppressWarnings("unused")
long now = System.currentTimeMillis();
try {
double modDouble = Double.parseDouble(modified) * 1000;
long mod = Math.round(modDouble);
// Dbg.printf("mod: %d ; cur : %d ; delta : %d\n", mod, now, now -
// mod);
return new Date(mod);
} catch (Exception e) {
return new Date(); // todo buggy ?
}
}
public static String toModifiedTimeString(Date modified) {
long time = modified.getTime();
double timed = time / 1000.0;
String retval = String.format(Locale.ENGLISH, "%.2f", timed);
// Dbg.debug("TIME: " + retval);
return retval;
}
public static String toString(URI uri) {
checkNull(uri);
String retval = uri == null ? null : uri.toString();
checkNull(retval);
return retval;
}
public static byte[] toUtf8Bytes(String data) {
try {
return data == null ? null : data.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
public static String toUtf8String(byte[] data) {
try {
return data == null ? null : new String(data, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
public static void zeroize(char[] secret) {
if (secret != null)
Arrays.fill(secret, '\0');
}
private WeaveUtil() {
// no instantiation
}
}