Replace faker

README.md

@@ -69,7 +69,6 @@ This list might be outdated. Please check the individual filter classes for deta
 * Cities
 * Counties
 * Hospitals
-* Hospital Abbreviations
 * States
 * State Abbreviations
 

pom.xml

@@ -42,7 +42,6 @@
         <commons.collections4.version>4.5.0</commons.collections4.version>
         <commons.lang3.version>3.20.0</commons.lang3.version>
         <commons.codec.version>1.19.0</commons.codec.version>
-        <commons.csv.version>1.14.0</commons.csv.version>
         <commons.io.version>2.21.0</commons.io.version>
         <commons.text.version>1.15.0</commons.text.version>
         <commons.validator.version>1.10.1</commons.validator.version>
@@ -51,7 +50,6 @@
         <gson.version>2.13.2</gson.version>
         <httpclient.version>5.6</httpclient.version>
         <json.version>20251224</json.version>
-        <junit.version>5.11.3</junit.version>
         <junit.pioneer.version>2.3.0</junit.pioneer.version>
         <libphonenumber.version>9.0.21</libphonenumber.version>
         <log4j.version>2.25.3</log4j.version>
@@ -60,7 +58,6 @@
         <maven.surefire.version>3.5.4</maven.surefire.version>
         <mockito.version>5.20.0</mockito.version>
         <pdfbox.version>3.0.6</pdfbox.version>
-        <snakeyaml.version>2.5</snakeyaml.version>
     </properties>
     <build>
         <plugins>
@@ -339,21 +336,6 @@
             <artifactId>pdfbox</artifactId>
             <version>${pdfbox.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.github.jai-imageio</groupId>
-            <artifactId>jai-imageio-core</artifactId>
-            <version>1.4.0</version>
-        </dependency>
-        <dependency>
-            <groupId>com.github.jai-imageio</groupId>
-            <artifactId>jai-imageio-jpeg2000</artifactId>
-            <version>1.4.0</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.pdfbox</groupId>
-            <artifactId>jbig2-imageio</artifactId>
-            <version>3.0.4</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
@@ -378,20 +360,6 @@
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.github.mifmif</groupId>
-            <artifactId>generex</artifactId>
-            <version>1.0.2</version>
-        </dependency>
-        <dependency>
-            <groupId>org.yaml</groupId>
-            <artifactId>snakeyaml</artifactId>
-            <version>${snakeyaml.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
@@ -410,11 +378,5 @@
             <version>${junit.pioneer.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 </project>

src/main/java/ai/philterd/phileas/data/CsvGenerator.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2026 Philterd, LLC
+ *
+ * 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 ai.philterd.phileas.data;
+
+import java.io.PrintWriter;
+import java.io.Writer;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * Generates a CSV of generated data.
+ */
+public class CsvGenerator {
+
+    private final Map<String, DataGenerator.Generator<?>> columns;
+    private String delimiter = ",";
+    private boolean useQuotes = false;
+
+    /**
+     * Creates a new CSV generator.
+     */
+    public CsvGenerator() {
+        this.columns = new LinkedHashMap<>();
+    }
+
+    /**
+     * Sets the delimiter for the CSV.
+     * @param delimiter The delimiter.
+     * @return The {@link CsvGenerator} instance.
+     */
+    public CsvGenerator withDelimiter(final String delimiter) {
+        this.delimiter = delimiter;
+        return this;
+    }
+
+    /**
+     * Sets whether or not to use quotes around all values.
+     * @param useQuotes Whether or not to use quotes.
+     * @return The {@link CsvGenerator} instance.
+     */
+    public CsvGenerator withQuotes(final boolean useQuotes) {
+        this.useQuotes = useQuotes;
+        return this;
+    }
+
+    /**
+     * Adds a column to the CSV.
+     * @param name The name of the column.
+     * @param generator The generator for the column's data.
+     * @return The {@link CsvGenerator} instance.
+     */
+    public CsvGenerator addColumn(final String name, final DataGenerator.Generator<?> generator) {
+        columns.put(name, generator);
+        return this;
+    }
+
+    /**
+     * Generates the CSV data.
+     * @param writer The {@link Writer} to write the CSV data to.
+     * @param rows The number of rows to generate.
+     */
+    public void generate(final Writer writer, final int rows) {
+        final PrintWriter printWriter = new PrintWriter(writer);
+
+        // Write the header
+        final String header = String.join(delimiter, columns.keySet().stream().map(this::escapeCsv).toList());
+        printWriter.println(header);
+
+        // Write the rows
+        for (int i = 0; i < rows; i++) {
+            final StringBuilder row = new StringBuilder();
+            int colIndex = 0;
+            for (final DataGenerator.Generator<?> generator : columns.values()) {
+                final Object value = generator.random();
+                row.append(escapeCsv(String.valueOf(value)));
+                if (colIndex < columns.size() - 1) {
+                    row.append(delimiter);
+                }
+                colIndex++;
+            }
+            printWriter.println(row);
+        }
+
+        printWriter.flush();
+    }
+
+    private String escapeCsv(String value) {
+        if (useQuotes || value.contains(delimiter) || value.contains("\"") || value.contains("\n") || value.contains("\r")) {
+            return "\"" + value.replace("\"", "\"\"") + "\"";
+        }
+        return value;
+    }
+
+}