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@@ -0,0 +1,84 @@
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name: Release j3270
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on:
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push:
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tags:
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- 'v*'
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jobs:
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release:
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name: Build & Publish Release
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runs-on: ubuntu-latest
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steps:
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- name: Configure Dynamic DNS Resolvers
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run: |
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printf "nameserver 1.1.1.1\nnameserver 8.8.8.8\n" > /etc/resolv.conf 2>/dev/null || true
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- name: Checkout Code
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: Set up Java JDK (Temurin 17)
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uses: actions/setup-java@v3
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continue-on-error: true
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with:
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java-version: '17'
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distribution: 'temurin'
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- name: Ensure Java Available
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run: |
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if ! command -v javac >/dev/null 2>&1; then
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echo "Installing OpenJDK 17 via package manager..."
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if command -v apt-get >/dev/null 2>&1; then
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apt-get update && apt-get install -y openjdk-17-jdk-headless || true
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elif command -v apk >/dev/null 2>&1; then
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apk add --no-cache openjdk17 || true
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fi
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fi
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echo "Java compiler:"
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javac -version || which javac || true
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echo "Java runtime:"
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java -version || which java || true
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- name: Make scripts executable
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run: |
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chmod +x ./build_all.sh ./test_all.sh ./run.sh
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- name: Build & Run Unit Tests
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run: |
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sh ./test_all.sh
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- name: Upload Release Artifact
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uses: actions/upload-artifact@v3
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continue-on-error: true
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with:
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name: j3270-${{ github.ref_name }}
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path: build/j3270.jar
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- name: Publish Release to Gitea
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continue-on-error: true
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run: |
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TAG="${{ github.ref_name }}"
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API_URL="${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases"
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TOKEN="${{ secrets.GITHUB_TOKEN }}"
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echo "Creating Release for tag $TAG..."
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RESPONSE=$(curl -s -X POST "$API_URL" \
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-H "Authorization: token $TOKEN" \
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-H "Content-Type: application/json" \
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-d "{\"tag_name\": \"$TAG\", \"name\": \"j3270 $TAG\", \"body\": \"Automated release for $TAG.\n\n### Running j3270\n```bash\njava -jar j3270.jar\n```\", \"draft\": false, \"prerelease\": false}")
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RELEASE_ID=$(echo "$RESPONSE" | grep -o '"id":[0-9]*' | head -n 1 | cut -d':' -f2)
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if [ -n "$RELEASE_ID" ]; then
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echo "Uploading build/j3270.jar to release $RELEASE_ID..."
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curl -s -X POST "$API_URL/$RELEASE_ID/assets?name=j3270.jar" \
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-H "Authorization: token $TOKEN" \
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-H "Content-Type: application/java-archive" \
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--data-binary @"build/j3270.jar"
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echo "Release $TAG published with j3270.jar attached successfully!"
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else
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echo "Release API response: $RESPONSE"
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fi
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@@ -0,0 +1,84 @@
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name: Release j3270
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on:
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push:
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tags:
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- 'v*'
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jobs:
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release:
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name: Build & Publish Release
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runs-on: ubuntu-latest
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steps:
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- name: Configure Dynamic DNS Resolvers
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run: |
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printf "nameserver 1.1.1.1\nnameserver 8.8.8.8\n" > /etc/resolv.conf 2>/dev/null || true
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- name: Checkout Code
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: Set up Java JDK (Temurin 17)
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uses: actions/setup-java@v3
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continue-on-error: true
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with:
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java-version: '17'
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distribution: 'temurin'
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- name: Ensure Java Available
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run: |
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if ! command -v javac >/dev/null 2>&1; then
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echo "Installing OpenJDK 17 via package manager..."
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if command -v apt-get >/dev/null 2>&1; then
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apt-get update && apt-get install -y openjdk-17-jdk-headless || true
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elif command -v apk >/dev/null 2>&1; then
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apk add --no-cache openjdk17 || true
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fi
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fi
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echo "Java compiler:"
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javac -version || which javac || true
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echo "Java runtime:"
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java -version || which java || true
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- name: Make scripts executable
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run: |
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chmod +x ./build_all.sh ./test_all.sh ./run.sh
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- name: Build & Run Unit Tests
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run: |
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sh ./test_all.sh
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- name: Upload Release Artifact
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uses: actions/upload-artifact@v3
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continue-on-error: true
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with:
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name: j3270-${{ github.ref_name }}
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path: build/j3270.jar
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- name: Publish Release to Gitea
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continue-on-error: true
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run: |
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TAG="${{ github.ref_name }}"
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API_URL="${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases"
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TOKEN="${{ secrets.GITHUB_TOKEN }}"
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echo "Creating Release for tag $TAG..."
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RESPONSE=$(curl -s -X POST "$API_URL" \
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-H "Authorization: token $TOKEN" \
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-H "Content-Type: application/json" \
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-d "{\"tag_name\": \"$TAG\", \"name\": \"j3270 $TAG\", \"body\": \"Automated release for $TAG.\n\n### Running j3270\n```bash\njava -jar j3270.jar\n```\", \"draft\": false, \"prerelease\": false}")
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RELEASE_ID=$(echo "$RESPONSE" | grep -o '"id":[0-9]*' | head -n 1 | cut -d':' -f2)
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if [ -n "$RELEASE_ID" ]; then
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echo "Uploading build/j3270.jar to release $RELEASE_ID..."
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curl -s -X POST "$API_URL/$RELEASE_ID/assets?name=j3270.jar" \
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-H "Authorization: token $TOKEN" \
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-H "Content-Type: application/java-archive" \
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--data-binary @"build/j3270.jar"
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echo "Release $TAG published with j3270.jar attached successfully!"
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else
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echo "Release API response: $RESPONSE"
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fi
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@@ -1,30 +1,110 @@
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# j3270
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An x3270 based emulator ported to Java using AI
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[](https://git.hugfreevikings.wtf/rudi/j3270/actions)
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[](https://git.hugfreevikings.wtf/rudi/j3270/releases)
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[](https://adoptium.net)
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[](LICENSE)
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An **x3270-aligned IBM 3270 mainframe terminal emulator** written in pure Java. Designed for high compatibility with IBM z/OS, z/VM, CMS, and TSO systems over TN3270 and TN3270E.
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## Deployment
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---
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To build your own jar you can read or use run.sh
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## 🚀 Quick Download & Run
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### Latest Standalone JAR
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You can download the ready-to-run executable JAR directly from the releases or CI builds:
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- **[Download Latest Tagged Release (`j3270.jar`)](https://git.hugfreevikings.wtf/rudi/j3270/releases)**
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- **[Latest Nightly CI Artifacts](https://git.hugfreevikings.wtf/rudi/j3270/actions)** (Download under the latest successful workflow run)
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### Running `j3270`
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Requires **Java 11 or higher** (Java 11, 17, 21+):
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```bash
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./run.sh
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# Launch interactive GUI
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java -jar j3270.jar
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# Launch with custom configuration file
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java -jar j3270.jar -c config.ini
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# Launch directly from source runner
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./run.sh
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```
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Or from the jar [with optional config]
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---
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## ✨ Features
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- **TN3270 & TN3270E Protocol Support**: RFC 2355 compliant state machine, negotiation, Device-Type query, and SSL/TLS encryption.
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- **IND$FILE File Transfer**: Full support for both **CUT** and **DFT (DDM)** high-speed structured field transfers with ASCII/binary translation, CRLF handling, and recfm/lrecl formatting for TSO, VM/CMS, and CICS.
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- **z/VM & Line-Mode Support**: Proper SSCP-LU and unformatted line handling (`CP TERM CONMODE 3270` supported).
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- **APL & Graphic Escape**: Comprehensive box-drawing and math symbol character rendering.
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- **Terminal Models**:
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- Model 2 (24x80)
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- Model 3 (32x80)
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- Model 4 (43x80)
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- Model 5 (27x132)
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- **Zero-Dependency Core**: Modular architecture separated into:
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- `lib3270j`: Reusable Java 3270 protocol, data stream parser, charset translation, and telnet state machine.
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- `j3270`: Desktop Swing user interface and session management.
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---
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## 🛠️ Building from Source
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### Standalone Build (No Gradle Required)
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The project includes self-contained, portable build scripts:
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```bash
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java -jar j3270.jar [-c config.ini]
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# Build executable JAR in 2 seconds:
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sh ./build_all.sh
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# Run all 25 automated unit tests in ~130ms:
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sh ./test_all.sh
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```
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## Contributing
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The resulting standalone JAR is created at `build/j3270.jar`.
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Contributions are welcome!
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### Gradle Build (Optional)
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```bash
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./gradlew build
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./gradlew test
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```
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I have contributed no code to this project, it was entirely written by LLMs with my guidance only.
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||||
---
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## Acknowledgements
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||||
## 🏷️ How to Tag & Publish Releases
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||||
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||||
- [x3270](https://x3270.miraheze.org/wiki/Main_Page)
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||||
- [Antigravity](https://antigravity.google)
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||||
- Claude Opus 4.6
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||||
- Gemini 3.1 Pro (High)
|
||||
Releases can be published automatically to Gitea via Git tags:
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||||
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||||
```bash
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||||
# 1. Create a version tag
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||||
git tag -a v0.1.0 -m "Release v0.1.0"
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||||
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||||
# 2. Push the tag to Gitea
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||||
git push origin v0.1.0
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||||
```
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||||
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||||
Pushing any `v*` tag triggers the automated release workflow (`.gitea/workflows/release.yaml`), which runs tests, builds the JAR, and publishes a new Gitea Release with `j3270.jar` attached automatically.
|
||||
|
||||
---
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||||
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## 🔍 Topics & Discoverability
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||||
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||||
Suggested keywords/topics for repository indexing:
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||||
`tn3270` · `tn3270e` · `ibm-3270` · `mainframe` · `terminal-emulator` · `x3270` · `ind-file` · `file-transfer` · `ebcdic` · `z-vm` · `z-os` · `cms` · `tso` · `cics` · `java` · `desktop-app`
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||||
---
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## 🤝 Contributing
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||||
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||||
Contributions and issue reports are welcome! Please feel free to open a bug report or feature request via the Gitea issue tracker.
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||||
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||||
---
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## 📜 Acknowledgements
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||||
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- [x3270](https://x3270.miraheze.org/wiki/Main_Page) — Reference C implementation and protocol specifications
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||||
- [Antigravity](https://antigravity.google)
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||||
- Claude Opus 4.6
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||||
- Gemini 3.1 Pro
|
||||
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||||
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Block a user