update projects.

edu.addressbook/src/main/java/edu/addressbook/model/Address.java

@@ -0,0 +1,114 @@
+/**
+ * license: GPLv3
+ reservationsystem
+*/
+package edu.addressbook.model;
+
+public final class Address{
+
+    String street;
+    String city;
+    String state;
+    String zip;
+
+    /** not used 
+     * 
+     */
+
+    public Address() {
+    }
+
+    public Address(String street, String city, String state, String zip) {
+        this.street = street;
+        this.city = city;
+        this.state = state;
+        this.zip = zip;
+    }
+    
+    public String getStreet() {
+        return street;
+    }
+
+    public void setStreet(String street) {
+        this.street = street;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+
+    public String getZip() {
+        return zip;
+    }
+
+    public void setZip(String zip) {
+        this.zip = zip;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((street == null) ? 0 : street.hashCode());
+        result = prime * result + ((city == null) ? 0 : city.hashCode());
+        result = prime * result + ((state == null) ? 0 : state.hashCode());
+        result = prime * result + ((zip == null) ? 0 : zip.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Address other = (Address) obj;
+        if (street == null) {
+            if (other.street != null)
+                return false;
+        } else if (!street.equals(other.street))
+            return false;
+        if (city == null) {
+            if (other.city != null)
+                return false;
+        } else if (!city.equals(other.city))
+            return false;
+        if (state == null) {
+            if (other.state != null)
+                return false;
+        } else if (!state.equals(other.state))
+            return false;
+        if (zip == null) {
+            if (other.zip != null)
+                return false;
+        } else if (!zip.equals(other.zip))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("{ \"Address\":{");
+        sb.append("\"street\": \"" + street + "\",");
+        sb.append("\"city\": \"" + city + "\",");
+        sb.append("\"state\": \"" + state + "\",");
+        sb.append("\"zip\": \"" + zip + "\"");
+        sb.append("}}");
+        return sb.toString();
+    }
+}

edu.addressbook/src/main/java/edu/addressbook/model/Contact.java

@@ -0,0 +1,144 @@
+/**
+ * license: GPLv3
+ reservationsystem
+*/
+package edu.addressbook.model;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ListIterator;
+
+/**
+ * Concrete account data class for account json storage record.
+ * Collects account attributes, and hash instance to enforce uniqueness.
+ */
+public class Contact {
+        private Integer contact_id = null;
+        private String phone_number;
+        private Address mailing_address;
+        private EmailAddress email_address;
+
+        public Contact() {
+
+        }
+
+        public Contact(
+                        String phone_number,
+                        Address mailing_address,
+                        EmailAddress email_address) {
+                this.phone_number = phone_number;
+                this.mailing_address = mailing_address;
+                this.email_address = email_address;
+        }
+
+        public Contact(Address mailing_address, EmailAddress email_address)
+                        throws IllegalArgumentException {
+                if (phone_number == null) {
+                        throw new IllegalArgumentException(String.format("%s %s", "Account: requires phone number",
+                                        mailing_address.toString()));
+                }
+                if (mailing_address == null) {
+                        throw new IllegalArgumentException(String.format("%s %s", "Account: requires mailing address",
+                                        phone_number.substring(phone_number.length() - 4)));
+                }
+                if (email_address == null) {
+                        throw new IllegalArgumentException(String.format("%s %s", "Account: requires phone number",
+                                        mailing_address.toString()));
+                }
+
+                this.phone_number = phone_number;
+                this.mailing_address = mailing_address;
+                this.email_address = email_address;
+        }
+
+        @Override
+        public String toString() {
+
+                StringBuilder sb = new StringBuilder();
+                sb.append("{ \"Account\":{");
+                sb.append("\"account_number\": \"").append(contact_id).append("\",");
+                sb.append("\"phone_number\": \"").append(phone_number).append("\",");
+                sb.append("\"mailing_address\": ").append(mailing_address).append(",");
+                sb.append("\"email_address\": ").append(email_address).append(",");
+                sb.append("}}");
+                return sb.toString();
+        }
+
+        public static void Write(Contact acct) throws IOException {
+        }
+
+        public String getPhone_number() {
+                return phone_number;
+        }
+
+        public void setPhone_number(String phone_number) {
+                this.phone_number = phone_number;
+        }
+
+        public Address getMailing_address() {
+                return mailing_address;
+        }
+
+        public void setMailing_address(Address mailing_address) {
+                this.mailing_address = mailing_address;
+        }
+
+        public EmailAddress getEmail_address() {
+                return email_address;
+        }
+
+        public void setEmail_address(EmailAddress email_address) {
+                this.email_address = email_address;
+        }
+
+        @Override
+        public int hashCode() {
+                final int prime = 31;
+                int result = 1;
+                result = prime * result + ((contact_id == null) ? 0 : contact_id.hashCode());
+                return result;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+                if (this == obj)
+                        return true;
+                if (obj == null)
+                        return false;
+                if (getClass() != obj.getClass())
+                        return false;
+                Contact other = (Contact) obj;
+                if (contact_id == null) {
+                        if (other.contact_id != null)
+                                return false;
+                } else if (!contact_id.equals(other.contact_id))
+                        return false;
+                return true;
+        }
+
+        public boolean checkValid() throws IllegalArgumentException {
+                if (email_address == null) {
+                        throw new IllegalArgumentException(
+                                        String.format("not valid, email_address %s", this.contact_id));
+                }
+                if (phone_number == null) {
+                        throw new IllegalArgumentException(
+                                        String.format("not valid, phone_number: %s", this.contact_id));
+                }
+                if (getMailing_address() == null) {
+                        throw new IllegalArgumentException(
+                                        String.format("not valid, mailing_address: %s", this.contact_id));
+                }
+                return true;
+        }
+
+        public void update(Contact acct) {
+                this.setEmail_address(acct.email_address);
+                this.setPhone_number(acct.phone_number);
+                this.setMailing_address(acct.mailing_address);
+        }
+}

edu.addressbook/src/main/java/edu/addressbook/model/EmailAddress.java

@@ -0,0 +1,56 @@
+/**
+ * license: GPLv3
+ reservationsystem
+*/
+package edu.addressbook.model;
+
+public class EmailAddress{
+    String email_address;
+    
+    public EmailAddress(String email_address) {
+        this.email_address = email_address;
+    }
+
+    public String getEmail_address() {
+        return email_address;
+    }
+
+    public void setEmail_address(String email_address) {
+        this.email_address = email_address;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((email_address == null) ? 0 : email_address.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        EmailAddress other = (EmailAddress) obj;
+        if (email_address == null) {
+            if (other.email_address != null)
+                return false;
+        } else if (!email_address.equals(other.email_address))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+                StringBuilder sb = new StringBuilder();
+        sb.append("{ \"EmailAddress\":{");
+        sb.append("\"email\": \"" + email_address + "\"");
+        sb.append("}}");
+        return sb.toString();
+    }
+    
+}

edu.addressbook/src/main/java/module-info.java

@@ -1,3 +1,3 @@
 module edu.addressbook {
-
+    exports edu.addressbook;
 }