Java tutorial
/* ================================================================== * BasicLocation.java - Oct 22, 2014 12:06:47 PM * * Copyright 2007-2014 SolarNetwork.net Dev Team * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA * ================================================================== */ package net.solarnetwork.domain; import java.math.BigDecimal; import java.util.TimeZone; import com.fasterxml.jackson.annotation.JsonIgnoreProperties; /** * Basic implementation of {@link Location}. * * @author matt * @version 1.0 */ @JsonIgnoreProperties(ignoreUnknown = true) public class BasicLocation implements Location { private String name; private String country; private String region; private String stateOrProvince; private String locality; private String postalCode; private String street; private BigDecimal latitude; private BigDecimal longitude; private BigDecimal elevation; private String timeZoneId; /** * Default constructor. */ public BasicLocation() { super(); } /** * Copy constructor for {@link Location} objects. * * @param loc * the location to copy */ public BasicLocation(Location loc) { super(); setName(loc.getName()); setCountry(loc.getCountry()); setRegion(loc.getRegion()); setStateOrProvince(loc.getStateOrProvince()); setLocality(loc.getLocality()); setPostalCode(loc.getPostalCode()); setStreet(loc.getStreet()); setLatitude(loc.getLatitude()); setLongitude(loc.getLongitude()); setElevation(loc.getElevation()); setTimeZoneId(loc.getTimeZoneId()); } /** * Change values that are non-null but empty to null. * * <p> * This method is helpful for web form submission, to remove filter values * that are empty and would otherwise try to match on empty string values. * </p> */ public void removeEmptyValues() { if (hasText(country)) { country = null; } if (!hasText(locality)) { locality = null; } if (!hasText(name)) { name = null; } if (!hasText(postalCode)) { postalCode = null; } if (!hasText(region)) { region = null; } if (!hasText(stateOrProvince)) { stateOrProvince = null; } if (!hasText(street)) { street = null; } if (!hasText(timeZoneId)) { timeZoneId = null; } } private static boolean hasText(String s) { if (s == null || s.length() < 1) { return false; } int strLen = s.length(); for (int i = 0; i < strLen; i++) { if (!Character.isWhitespace(s.charAt(i))) { return true; } } return false; } /** * Return a new SolarLocation with normalized values from another Location. * * @param loc * the location to normalize * @return the normalized location */ public static BasicLocation normalizedLocation(Location loc) { assert loc != null; BasicLocation norm = new BasicLocation(); if (loc.getName() != null) { String name = loc.getName().trim(); if (name.length() > 0) { norm.setName(name); } } if (loc.getCountry() != null && loc.getCountry().length() >= 2) { String country = loc.getCountry(); if (country.length() > 2) { country = country.substring(0, 2); } norm.setCountry(country.toUpperCase()); } if (loc.getTimeZoneId() != null) { TimeZone tz = TimeZone.getTimeZone(loc.getTimeZoneId()); if (tz != null) { norm.setTimeZoneId(tz.getID()); } } if (loc.getRegion() != null) { String region = loc.getRegion().trim(); if (region.length() > 0) { norm.setRegion(region); } } if (loc.getStateOrProvince() != null) { String state = loc.getStateOrProvince().trim(); if (state.length() > 0) { norm.setStateOrProvince(state); } } if (loc.getLocality() != null) { String locality = loc.getLocality().trim(); if (locality.length() > 0) { norm.setLocality(locality); } } if (loc.getPostalCode() != null) { String postalCode = loc.getPostalCode().trim().toUpperCase(); if (postalCode.length() > 0) { norm.setPostalCode(postalCode); } } if (loc.getStreet() != null) { String street = loc.getStreet().trim(); if (street.length() > 0) { norm.setStreet(street); } } norm.setLatitude(loc.getLatitude()); norm.setLongitude(loc.getLongitude()); norm.setElevation(loc.getElevation()); return norm; } @Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("BasicLocation{"); if (name != null) { builder.append("name="); builder.append(name); builder.append(", "); } if (country != null) { builder.append("country="); builder.append(country); builder.append(", "); } if (region != null) { builder.append("region="); builder.append(region); builder.append(", "); } if (locality != null) { builder.append("locality="); builder.append(locality); } builder.append("}"); return builder.toString(); } @Override public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public String getCountry() { return country; } public void setCountry(String country) { this.country = country; } @Override public String getRegion() { return region; } public void setRegion(String region) { this.region = region; } @Override public String getStateOrProvince() { return stateOrProvince; } public void setStateOrProvince(String stateOrProvince) { this.stateOrProvince = stateOrProvince; } @Override public String getLocality() { return locality; } public void setLocality(String locality) { this.locality = locality; } @Override public String getPostalCode() { return postalCode; } public void setPostalCode(String postalCode) { this.postalCode = postalCode; } @Override public String getStreet() { return street; } public void setStreet(String street) { this.street = street; } @Override public BigDecimal getLatitude() { return latitude; } public void setLatitude(BigDecimal latitude) { this.latitude = latitude; } @Override public BigDecimal getLongitude() { return longitude; } public void setLongitude(BigDecimal longitude) { this.longitude = longitude; } @Override public BigDecimal getElevation() { return elevation; } public void setElevation(BigDecimal elevation) { this.elevation = elevation; } @Override public String getTimeZoneId() { return timeZoneId; } public void setTimeZoneId(String timeZoneId) { this.timeZoneId = timeZoneId; } }