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Add a rules engine so I can be notified when I forget to close my garage door.

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This commit is contained in:
MarkBryanMilligan
2021-07-15 23:34:15 -05:00
parent de50645a2c
commit 3d5cd6500f
81 changed files with 2044 additions and 231 deletions
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209
util/lantern-util-servlet/src/main/java/com/lanternsoftware/util/servlet/FreemarkerServlet.java
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@@ -3,172 +3,79 @@ package com.lanternsoftware.util.servlet;
import com.lanternsoftware.util.CollectionUtils;
import com.lanternsoftware.util.NullUtils;
import com.lanternsoftware.util.dao.DaoEntity;
import com.lanternsoftware.util.dao.DaoSerializer;
import freemarker.template.Configuration;
import org.apache.commons.io.IOUtils;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.MediaType;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
public abstract class FreemarkerServlet extends HttpServlet {
protected abstract Configuration getFreemarkerConfig();
public static String[] getPath(HttpServletRequest _request) {
String sPath = _request.getRequestURI().substring(_request.getContextPath().length());
if (sPath.startsWith("/"))
sPath = sPath.substring(1);
String[] path = sPath.split("/");
if ((path.length == 0) || (path[0].length() == 0))
return new String[] { "index" };
int iExtPos = CollectionUtils.last(path).lastIndexOf(".");
if (iExtPos > -1) {
path[path.length - 1] = CollectionUtils.last(path).substring(0, iExtPos);
}
return path;
}
public static void redirect(HttpServletResponse _response, String _sURL) throws IOException {
_response.sendRedirect(_response.encodeRedirectURL(_sURL));
}
public void render(HttpServletResponse _rep, String _sHtmlResourceKey, Map<String, Object> _mapModel) {
String html = FreemarkerUtil.render(getFreemarkerConfig(), _sHtmlResourceKey, _mapModel);
if (html == null)
_rep.setStatus(500);
else
setResponseHtml(_rep, html);
}
public abstract class FreemarkerServlet extends LanternServlet {
protected abstract Configuration getFreemarkerConfig();
public static DaoEntity model(HttpServletRequest _req, String _name, Object _value) {
DaoEntity model = model(_req);
model.put(_name, _value);
return model;
}
public static String[] getPath(HttpServletRequest _request) {
String sPath = _request.getRequestURI().substring(_request.getContextPath().length());
if (sPath.startsWith("/"))
sPath = sPath.substring(1);
String[] path = sPath.split("/");
if ((path.length == 0) || (path[0].length() == 0))
return new String[]{"index"};
int iExtPos = CollectionUtils.last(path).lastIndexOf(".");
if (iExtPos > -1) {
path[path.length - 1] = CollectionUtils.last(path).substring(0, iExtPos);
}
return path;
}
protected static DaoEntity model(HttpServletRequest _req) {
DaoEntity model = new DaoEntity("context", _req.getContextPath());
model.put("css_version", "1.0.0");
return model;
}
public static void redirect(HttpServletResponse _response, String _sURL) throws IOException {
_response.sendRedirect(_response.encodeRedirectURL(_sURL));
}
public static <T> T getSessionVar(HttpServletRequest _req, String _name) {
return (T) _req.getSession().getAttribute(_name);
}
public void render(HttpServletResponse _rep, String _sHtmlResourceKey, Map<String, Object> _mapModel) {
String html = FreemarkerUtil.render(getFreemarkerConfig(), _sHtmlResourceKey, _mapModel);
if (html == null)
_rep.setStatus(500);
else
setResponseHtml(_rep, html);
}
public static void putSessionVar(HttpServletRequest _req, String _name, Object _var) {
_req.getSession().setAttribute(_name, _var);
}
public static DaoEntity model(HttpServletRequest _req, String _name, Object _value) {
DaoEntity model = model(_req);
model.put(_name, _value);
return model;
}
protected String relativeOffset(HttpServletRequest _req) {
String[] path = getPath(_req);
StringBuilder offset = new StringBuilder();
for (int i = 1; i < CollectionUtils.size(path); i++) {
offset.append("../");
}
return offset.toString();
}
protected Cookie getCookie(HttpServletRequest _req, String _name) {
if (_req.getCookies() != null) {
for (Cookie c : _req.getCookies()) {
if (NullUtils.isEqual(c.getName(), _name))
return c;
}
}
return null;
}
protected static DaoEntity model(HttpServletRequest _req) {
DaoEntity model = new DaoEntity("context", _req.getContextPath());
model.put("css_version", "1.0.0");
return model;
}
public static void setResponseHtml(HttpServletResponse _response, String _sHtml) {
setResponseEntity(_response, MediaType.TEXT_HTML, _sHtml);
}
public static <T> T getSessionVar(HttpServletRequest _req, String _name) {
return (T) _req.getSession().getAttribute(_name);
}
public static void setResponseEntity(HttpServletResponse _response, String _sContentType, String _sEntity) {
setResponseEntity(_response, 200, _sContentType, _sEntity);
}
public static void putSessionVar(HttpServletRequest _req, String _name, Object _var) {
_req.getSession().setAttribute(_name, _var);
}
public static void setResponseEntity(HttpServletResponse _response, String _sContentType, byte[] _btData) {
setResponseEntity(_response, 200, _sContentType, _btData);
}
public static void setResponseEntity(HttpServletResponse _response, int _iStatus, String _sContentType, String _sEntity) {
setResponseEntity(_response, _iStatus, _sContentType, NullUtils.toByteArray(_sEntity));
}
public static void setResponseEntity(HttpServletResponse _response, int _iStatus, String _sContentType, byte[] _btData) {
OutputStream os = null;
try {
_response.setStatus(_iStatus);
_response.setCharacterEncoding("UTF-8");
_response.setContentType(_sContentType);
if ((_btData != null) && (_btData.length > 0)) {
_response.setContentLength(_btData.length);
os = _response.getOutputStream();
os.write(_btData);
} else
_response.setContentLength(0);
} catch (Exception e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(os);
}
}
protected void zipBsonResponse(HttpServletResponse _response, Object _object)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_OCTET_STREAM, DaoSerializer.toZipBson(_object));
}
protected void jsonResponse(HttpServletResponse _response, Object _object)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_JSON, DaoSerializer.toJson(_object));
}
protected void jsonResponse(HttpServletResponse _response, String _json)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_JSON, _json);
}
protected String getRequestPayloadAsString(HttpServletRequest _req) {
return NullUtils.toString(getRequestPayload(_req));
}
protected byte[] getRequestPayload(HttpServletRequest _req) {
InputStream is = null;
try {
is = _req.getInputStream();
return IOUtils.toByteArray(is);
}
catch (Exception e) {
e.printStackTrace();
return null;
}
finally {
IOUtils.closeQuietly(is);
}
}
protected DaoEntity getRequestZipBson(HttpServletRequest _req) {
return DaoSerializer.fromZipBson(getRequestPayload(_req));
}
protected <T> T getRequestPayload(HttpServletRequest _req, Class<T> _retClass) {
return DaoSerializer.fromZipBson(getRequestPayload(_req), _retClass);
}
protected String[] path(HttpServletRequest _req) {
return NullUtils.cleanSplit(NullUtils.makeNotNull(_req.getPathInfo()), "/");
}
protected boolean isPath(HttpServletRequest _req, int _index, String _path) {
return NullUtils.isEqual(_path, CollectionUtils.get(path(_req), _index));
}
protected String relativeOffset(HttpServletRequest _req) {
String[] path = getPath(_req);
StringBuilder offset = new StringBuilder();
for (int i = 1; i < CollectionUtils.size(path); i++) {
offset.append("../");
}
return offset.toString();
}
protected Cookie getCookie(HttpServletRequest _req, String _name) {
if (_req.getCookies() != null) {
for (Cookie c : _req.getCookies()) {
if (NullUtils.isEqual(c.getName(), _name))
return c;
}
}
return null;
}
}

101
util/lantern-util-servlet/src/main/java/com/lanternsoftware/util/servlet/LanternServlet.java Normal file
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@@ -0,0 +1,101 @@
package com.lanternsoftware.util.servlet;
import com.lanternsoftware.util.CollectionUtils;
import com.lanternsoftware.util.NullUtils;
import com.lanternsoftware.util.dao.DaoEntity;
import com.lanternsoftware.util.dao.DaoSerializer;
import org.apache.commons.io.IOUtils;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.MediaType;
import java.io.InputStream;
import java.io.OutputStream;
public abstract class LanternServlet extends HttpServlet {
public static void setResponseHtml(HttpServletResponse _response, String _sHtml) {
setResponseEntity(_response, MediaType.TEXT_HTML, _sHtml);
}
public static void setResponseEntity(HttpServletResponse _response, String _sContentType, String _sEntity) {
setResponseEntity(_response, 200, _sContentType, _sEntity);
}
public static void setResponseEntity(HttpServletResponse _response, String _sContentType, byte[] _btData) {
setResponseEntity(_response, 200, _sContentType, _btData);
}
public static void setResponseEntity(HttpServletResponse _response, int _iStatus, String _sContentType, String _sEntity) {
setResponseEntity(_response, _iStatus, _sContentType, NullUtils.toByteArray(_sEntity));
}
public static void setResponseEntity(HttpServletResponse _response, int _iStatus, String _sContentType, byte[] _btData) {
OutputStream os = null;
try {
_response.setStatus(_iStatus);
_response.setCharacterEncoding("UTF-8");
_response.setContentType(_sContentType);
if ((_btData != null) && (_btData.length > 0)) {
_response.setContentLength(_btData.length);
os = _response.getOutputStream();
os.write(_btData);
} else
_response.setContentLength(0);
} catch (Exception e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(os);
}
}
protected void zipBsonResponse(HttpServletResponse _response, Object _object)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_OCTET_STREAM, DaoSerializer.toZipBson(_object));
}
protected void jsonResponse(HttpServletResponse _response, Object _object)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_JSON, DaoSerializer.toJson(_object));
}
protected void jsonResponse(HttpServletResponse _response, String _json)
{
setResponseEntity(_response, 200, MediaType.APPLICATION_JSON, _json);
}
protected String getRequestPayloadAsString(HttpServletRequest _req) {
return NullUtils.toString(getRequestPayload(_req));
}
protected byte[] getRequestPayload(HttpServletRequest _req) {
InputStream is = null;
try {
is = _req.getInputStream();
return IOUtils.toByteArray(is);
}
catch (Exception e) {
e.printStackTrace();
return null;
}
finally {
IOUtils.closeQuietly(is);
}
}
protected DaoEntity getRequestZipBson(HttpServletRequest _req) {
return DaoSerializer.fromZipBson(getRequestPayload(_req));
}
protected <T> T getRequestPayload(HttpServletRequest _req, Class<T> _retClass) {
return DaoSerializer.fromZipBson(getRequestPayload(_req), _retClass);
}
protected String[] path(HttpServletRequest _req) {
return NullUtils.cleanSplit(NullUtils.makeNotNull(_req.getPathInfo()), "/");
}
protected boolean isPath(HttpServletRequest _req, int _index, String _path) {
return NullUtils.isEqual(_path, CollectionUtils.get(path(_req), _index));
}
}