add multi OAuth2 Provider

src/main/java/stirling/software/SPDF/model/Provider.java

@@ -0,0 +1,87 @@
+package stirling.software.SPDF.model;
+
+import java.util.Collection;
+
+public class Provider implements ProviderInterface {
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    protected boolean isValid(String value, String name) {
+        if (value != null && !value.trim().isEmpty()) {
+            return true;
+        }
+        return false;
+        // throw new IllegalArgumentException(getName() + ": " + name + " is required!");
+    }
+
+    protected boolean isValid(Collection<String> value, String name) {
+        if (value != null && !value.isEmpty()) {
+            return true;
+        }
+        return false;
+        // throw new IllegalArgumentException(getName() + ": " + name + " is required!");
+    }
+
+    @Override
+    public Collection<String> getScopes() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getScope'");
+    }
+
+    @Override
+    public void setScopes(String scopes) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'setScope'");
+    }
+
+    @Override
+    public String getUseAsUsername() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getUseAsUsername'");
+    }
+
+    @Override
+    public void setUseAsUsername(String useAsUsername) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'setUseAsUsername'");
+    }
+
+    @Override
+    public String getIssuer() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getIssuer'");
+    }
+
+    @Override
+    public void setIssuer(String issuer) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'setIssuer'");
+    }
+
+    @Override
+    public String getClientSecret() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getClientSecret'");
+    }
+
+    @Override
+    public void setClientSecret(String clientSecret) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'setClientSecret'");
+    }
+
+    @Override
+    public String getClientId() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getClientId'");
+    }
+
+    @Override
+    public void setClientId(String clientId) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'setClientId'");
+    }
+}